Hi Dmitry, Thank you for the patch.
On Fri, Nov 15, 2024 at 11:09:30PM +0200, Dmitry Baryshkov wrote: > The mode_valid() callbacks of drm_encoder, drm_crtc and drm_bridge > accept const struct drm_display_mode argument. Change the mode_valid > callback of drm_connector to also accept const argument. > > Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org> Assuming you've compile-tested all this, Reviewed-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c | 8 ++++---- > drivers/gpu/drm/amd/amdgpu/atombios_dp.c | 2 +- > drivers/gpu/drm/amd/amdgpu/atombios_dp.h | 2 +- > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +- > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 2 +- > drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c | 2 +- > drivers/gpu/drm/arm/malidp_mw.c | 2 +- > drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 2 +- > drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c | 2 +- > drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c | 7 ------- > drivers/gpu/drm/drm_crtc_helper_internal.h | 2 +- > drivers/gpu/drm/drm_probe_helper.c | 2 +- > drivers/gpu/drm/exynos/exynos_hdmi.c | 2 +- > drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c | 2 +- > drivers/gpu/drm/gma500/cdv_intel_crt.c | 2 +- > drivers/gpu/drm/gma500/cdv_intel_dp.c | 2 +- > drivers/gpu/drm/gma500/cdv_intel_hdmi.c | 2 +- > drivers/gpu/drm/gma500/cdv_intel_lvds.c | 2 +- > drivers/gpu/drm/gma500/oaktrail_hdmi.c | 2 +- > drivers/gpu/drm/gma500/psb_intel_drv.h | 2 +- > drivers/gpu/drm/gma500/psb_intel_lvds.c | 2 +- > drivers/gpu/drm/gma500/psb_intel_sdvo.c | 2 +- > drivers/gpu/drm/i915/display/dvo_ch7017.c | 2 +- > drivers/gpu/drm/i915/display/dvo_ch7xxx.c | 2 +- > drivers/gpu/drm/i915/display/dvo_ivch.c | 2 +- > drivers/gpu/drm/i915/display/dvo_ns2501.c | 2 +- > drivers/gpu/drm/i915/display/dvo_sil164.c | 2 +- > drivers/gpu/drm/i915/display/dvo_tfp410.c | 2 +- > drivers/gpu/drm/i915/display/icl_dsi.c | 2 +- > drivers/gpu/drm/i915/display/intel_crt.c | 2 +- > drivers/gpu/drm/i915/display/intel_dp.c | 2 +- > drivers/gpu/drm/i915/display/intel_dsi.c | 2 +- > drivers/gpu/drm/i915/display/intel_dsi.h | 2 +- > drivers/gpu/drm/i915/display/intel_dvo.c | 2 +- > drivers/gpu/drm/i915/display/intel_dvo_dev.h | 2 +- > drivers/gpu/drm/i915/display/intel_hdmi.c | 2 +- > drivers/gpu/drm/i915/display/intel_lvds.c | 2 +- > drivers/gpu/drm/i915/display/intel_sdvo.c | 2 +- > drivers/gpu/drm/i915/display/intel_tv.c | 2 +- > drivers/gpu/drm/i915/display/vlv_dsi.c | 2 +- > drivers/gpu/drm/imx/ipuv3/imx-tve.c | 2 +- > drivers/gpu/drm/msm/disp/mdp4/mdp4_lvds_connector.c | 2 +- > drivers/gpu/drm/nouveau/dispnv50/disp.c | 2 +- > drivers/gpu/drm/nouveau/nouveau_connector.c | 2 +- > drivers/gpu/drm/qxl/qxl_display.c | 2 +- > drivers/gpu/drm/radeon/atombios_dp.c | 2 +- > drivers/gpu/drm/radeon/radeon_connectors.c | 10 +++++----- > drivers/gpu/drm/radeon/radeon_mode.h | 2 +- > drivers/gpu/drm/rockchip/cdn-dp-core.c | 2 +- > drivers/gpu/drm/rockchip/inno_hdmi.c | 4 ++-- > drivers/gpu/drm/rockchip/rk3066_hdmi.c | 2 +- > drivers/gpu/drm/sti/sti_dvo.c | 2 +- > drivers/gpu/drm/sti/sti_hda.c | 2 +- > drivers/gpu/drm/sti/sti_hdmi.c | 2 +- > drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c | 2 +- > drivers/gpu/drm/tegra/dsi.c | 2 +- > drivers/gpu/drm/tegra/hdmi.c | 2 +- > drivers/gpu/drm/tegra/sor.c | 2 +- > drivers/gpu/drm/vc4/vc4_txp.c | 2 +- > drivers/gpu/drm/virtio/virtgpu_display.c | 2 +- > drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 2 +- > drivers/gpu/drm/vmwgfx/vmwgfx_kms.h | 2 +- > drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c | 2 +- > include/drm/drm_modeset_helper_vtables.h | 2 +- > 64 files changed, 71 insertions(+), 78 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c > index > 344e0a9ee08a99a7e874e4ed31c28901b7ea25b0..5e375e9c4f5de3883797f06a0c4bea26bf3d1795 > 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c > @@ -674,7 +674,7 @@ static int amdgpu_connector_lvds_get_modes(struct > drm_connector *connector) > } > > static enum drm_mode_status amdgpu_connector_lvds_mode_valid(struct > drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode > *mode) > { > struct drm_encoder *encoder = > amdgpu_connector_best_single_encoder(connector); > > @@ -839,7 +839,7 @@ static int amdgpu_connector_vga_get_modes(struct > drm_connector *connector) > } > > static enum drm_mode_status amdgpu_connector_vga_mode_valid(struct > drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct drm_device *dev = connector->dev; > struct amdgpu_device *adev = drm_to_adev(dev); > @@ -1196,7 +1196,7 @@ static void amdgpu_connector_dvi_force(struct > drm_connector *connector) > } > > static enum drm_mode_status amdgpu_connector_dvi_mode_valid(struct > drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct drm_device *dev = connector->dev; > struct amdgpu_device *adev = drm_to_adev(dev); > @@ -1464,7 +1464,7 @@ amdgpu_connector_dp_detect(struct drm_connector > *connector, bool force) > } > > static enum drm_mode_status amdgpu_connector_dp_mode_valid(struct > drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct amdgpu_connector *amdgpu_connector = > to_amdgpu_connector(connector); > struct amdgpu_connector_atom_dig *amdgpu_dig_connector = > amdgpu_connector->con_priv; > diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c > b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c > index > 622634c08c7b56dce527b37c2d8b479abc58420c..521b9faab18059ed92ebb1dc9a9847e8426e7403 > 100644 > --- a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c > +++ b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c > @@ -430,7 +430,7 @@ void amdgpu_atombios_dp_set_link_config(struct > drm_connector *connector, > } > > int amdgpu_atombios_dp_mode_valid_helper(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct amdgpu_connector *amdgpu_connector = > to_amdgpu_connector(connector); > struct amdgpu_connector_atom_dig *dig_connector; > diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_dp.h > b/drivers/gpu/drm/amd/amdgpu/atombios_dp.h > index > f59d85eaddf022d5b227e33bc8d3af418781f6d6..3e24acf8133f3a7f2d86f07048b1a8c67a4a8263 > 100644 > --- a/drivers/gpu/drm/amd/amdgpu/atombios_dp.h > +++ b/drivers/gpu/drm/amd/amdgpu/atombios_dp.h > @@ -32,7 +32,7 @@ int amdgpu_atombios_dp_get_panel_mode(struct drm_encoder > *encoder, > void amdgpu_atombios_dp_set_link_config(struct drm_connector *connector, > const struct drm_display_mode *mode); > int amdgpu_atombios_dp_mode_valid_helper(struct drm_connector *connector, > - struct drm_display_mode *mode); > + const struct drm_display_mode *mode); > bool amdgpu_atombios_dp_needs_link_train(struct amdgpu_connector > *amdgpu_connector); > void amdgpu_atombios_dp_set_rx_power_state(struct drm_connector *connector, > u8 power_state); > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > index > d0ca905e91eafe6c53f3f2ebdf3f2ae9589d7f89..260426ba680c9e8120edfe36a28e6e6c34cd9a3a > 100644 > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > @@ -7377,7 +7377,7 @@ create_validate_stream_for_sink(struct > amdgpu_dm_connector *aconnector, > } > > enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > int result = MODE_ERROR; > struct dc_sink *dc_sink; > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h > b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h > index > 25e95775c45c10ec1fb72f062204109d3b2e5efa..32856b848052efba0b26e257cc823ceae8c066c8 > 100644 > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h > @@ -945,7 +945,7 @@ void amdgpu_dm_connector_init_helper(struct > amdgpu_display_manager *dm, > int link_index); > > enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode); > + const struct drm_display_mode *mode); > > void dm_restore_drm_connector_state(struct drm_device *dev, > struct drm_connector *connector); > diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c > b/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c > index > ebccb74306a765d524401c5fbbad32439366fbcb..e075a6b317cc23122238a79b1eb62f68a5074e81 > 100644 > --- a/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c > @@ -88,7 +88,7 @@ komeda_wb_connector_get_modes(struct drm_connector > *connector) > > static enum drm_mode_status > komeda_wb_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct drm_device *dev = connector->dev; > struct drm_mode_config *mode_config = &dev->mode_config; > diff --git a/drivers/gpu/drm/arm/malidp_mw.c b/drivers/gpu/drm/arm/malidp_mw.c > index > 2577f0cef8fcda497efa91ed5dbce9c2a40587c7..600af5ad81b15d0c30f9f79588f40cca07437ed8 > 100644 > --- a/drivers/gpu/drm/arm/malidp_mw.c > +++ b/drivers/gpu/drm/arm/malidp_mw.c > @@ -43,7 +43,7 @@ static int malidp_mw_connector_get_modes(struct > drm_connector *connector) > > static enum drm_mode_status > malidp_mw_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct drm_device *dev = connector->dev; > struct drm_mode_config *mode_config = &dev->mode_config; > diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c > b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c > index > eb5919b382635e5e0b8fb70bcc2cc6de1a059187..fda66e7876b86f6dfc1ed0f781cd9c184e380090 > 100644 > --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c > +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c > @@ -847,7 +847,7 @@ static int adv7511_connector_get_modes(struct > drm_connector *connector) > > static enum drm_mode_status > adv7511_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct adv7511 *adv = connector_to_adv7511(connector); > > diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c > b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c > index > 41f72d458487fb27a34f2fa475c51de55725bc23..3b9e265e874719a3a8d21ea735bd7a877b47c7a7 > 100644 > --- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c > +++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c > @@ -1619,7 +1619,7 @@ bool cdns_mhdp_bandwidth_ok(struct cdns_mhdp_device > *mhdp, > > static > enum drm_mode_status cdns_mhdp_mode_valid(struct drm_connector *conn, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct cdns_mhdp_device *mhdp = connector_to_mhdp(conn); > > diff --git a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c > b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c > index > 37f1acf5c0f83ded2fb3d83150dc05cb6cfd2432..3760ccfe54d0826053eb899c5b14f9c8026702a2 > 100644 > --- a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c > +++ b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c > @@ -115,16 +115,9 @@ static int ge_b850v3_lvds_get_modes(struct drm_connector > *connector) > return num_modes; > } > > -static enum drm_mode_status ge_b850v3_lvds_mode_valid( > - struct drm_connector *connector, struct drm_display_mode *mode) > -{ > - return MODE_OK; > -} > - > static const struct > drm_connector_helper_funcs ge_b850v3_lvds_connector_helper_funcs = { > .get_modes = ge_b850v3_lvds_get_modes, > - .mode_valid = ge_b850v3_lvds_mode_valid, > }; > > static enum drm_connector_status ge_b850v3_lvds_bridge_detect(struct > drm_bridge *bridge) > diff --git a/drivers/gpu/drm/drm_crtc_helper_internal.h > b/drivers/gpu/drm/drm_crtc_helper_internal.h > index > 8059f65c5d6c46014a3b510069730c6ac079f7bc..bae73936acf9bae97acb0d4f9554f963303907ca > 100644 > --- a/drivers/gpu/drm/drm_crtc_helper_internal.h > +++ b/drivers/gpu/drm/drm_crtc_helper_internal.h > @@ -43,7 +43,7 @@ enum drm_mode_status drm_encoder_mode_valid(struct > drm_encoder *encoder, > const struct drm_display_mode > *mode); > int > drm_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode, > + const struct drm_display_mode *mode, > struct drm_modeset_acquire_ctx *ctx, > enum drm_mode_status *status); > > diff --git a/drivers/gpu/drm/drm_probe_helper.c > b/drivers/gpu/drm/drm_probe_helper.c > index > 96b266b37ba49539dfc9b1af13b5e803526ee40a..080b552006141489d8d3fd985f737714820aa3a6 > 100644 > --- a/drivers/gpu/drm/drm_probe_helper.c > +++ b/drivers/gpu/drm/drm_probe_helper.c > @@ -202,7 +202,7 @@ enum drm_mode_status drm_encoder_mode_valid(struct > drm_encoder *encoder, > > int > drm_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode, > + const struct drm_display_mode *mode, > struct drm_modeset_acquire_ctx *ctx, > enum drm_mode_status *status) > { > diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c > b/drivers/gpu/drm/exynos/exynos_hdmi.c > index > c9d4b9146df95bb46cb6bea4849c331616c2b463..683409f7abafa9ee95b25d37f74724de2477a4c1 > 100644 > --- a/drivers/gpu/drm/exynos/exynos_hdmi.c > +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c > @@ -931,7 +931,7 @@ static int hdmi_find_phy_conf(struct hdmi_context *hdata, > u32 pixel_clock) > } > > static enum drm_mode_status hdmi_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct hdmi_context *hdata = connector_to_hdmi(connector); > int ret; > diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c > b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c > index > 2c2b92324a2e90fe13dcfa889986f00419c4be60..048b747d6871400ffa748458762b0721a5c1cad6 > 100644 > --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c > +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c > @@ -62,7 +62,7 @@ static int fsl_dcu_drm_connector_get_modes(struct > drm_connector *connector) > > static enum drm_mode_status > fsl_dcu_drm_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > if (mode->hdisplay & 0xf) > return MODE_ERROR; > diff --git a/drivers/gpu/drm/gma500/cdv_intel_crt.c > b/drivers/gpu/drm/gma500/cdv_intel_crt.c > index > 5a0acd914f769a970f3be12176dfd0bcbd8cee17..06fe7480e7afd1d67ee2be45b872604830913aff > 100644 > --- a/drivers/gpu/drm/gma500/cdv_intel_crt.c > +++ b/drivers/gpu/drm/gma500/cdv_intel_crt.c > @@ -69,7 +69,7 @@ static void cdv_intel_crt_dpms(struct drm_encoder *encoder, > int mode) > } > > static enum drm_mode_status cdv_intel_crt_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > if (mode->flags & DRM_MODE_FLAG_DBLSCAN) > return MODE_NO_DBLESCAN; > diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c > b/drivers/gpu/drm/gma500/cdv_intel_dp.c > index > cc2ed9b3fd2d22aa9d02983cf7059823f80ef366..53990d27c39faca906e960f4ad5a9e614c002990 > 100644 > --- a/drivers/gpu/drm/gma500/cdv_intel_dp.c > +++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c > @@ -505,7 +505,7 @@ static void cdv_intel_edp_backlight_off (struct > gma_encoder *intel_encoder) > > static enum drm_mode_status > cdv_intel_dp_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct gma_encoder *encoder = gma_attached_encoder(connector); > struct cdv_intel_dp *intel_dp = encoder->dev_priv; > diff --git a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c > b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c > index > 2d95e04712911afcb2a1c03ce88428daf71dbb74..f2a3e37ef63289876182821f688348e05b7e224e > 100644 > --- a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c > +++ b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c > @@ -222,7 +222,7 @@ static int cdv_hdmi_get_modes(struct drm_connector > *connector) > } > > static enum drm_mode_status cdv_hdmi_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > if (mode->clock > 165000) > return MODE_CLOCK_HIGH; > diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c > b/drivers/gpu/drm/gma500/cdv_intel_lvds.c > index > f3a4517bdf27cef18041d2c533bc3543a0cc371e..9276e3676ba0503e4ed50e67efd51c6fc2311669 > 100644 > --- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c > +++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c > @@ -153,7 +153,7 @@ static void cdv_intel_lvds_restore(struct drm_connector > *connector) > } > > static enum drm_mode_status cdv_intel_lvds_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct drm_device *dev = connector->dev; > struct drm_psb_private *dev_priv = to_drm_psb_private(dev); > diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c > b/drivers/gpu/drm/gma500/oaktrail_hdmi.c > index > ed8626c73541c13b1c04da26c096cf94f80524a6..1cf3943691277660d1d376a1894a5523362f0808 > 100644 > --- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c > +++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c > @@ -514,7 +514,7 @@ static void oaktrail_hdmi_dpms(struct drm_encoder > *encoder, int mode) > } > > static enum drm_mode_status oaktrail_hdmi_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > if (mode->clock > 165000) > return MODE_CLOCK_HIGH; > diff --git a/drivers/gpu/drm/gma500/psb_intel_drv.h > b/drivers/gpu/drm/gma500/psb_intel_drv.h > index > 2499fd6a80c9d81541a0a137e85fd5e974c7b021..9dc9dcd1b09f79b3e7a7d1c28e48afd82cd60da3 > 100644 > --- a/drivers/gpu/drm/gma500/psb_intel_drv.h > +++ b/drivers/gpu/drm/gma500/psb_intel_drv.h > @@ -212,7 +212,7 @@ extern bool psb_intel_lvds_mode_fixup(struct drm_encoder > *encoder, > const struct drm_display_mode *mode, > struct drm_display_mode *adjusted_mode); > extern enum drm_mode_status psb_intel_lvds_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode); > + const struct drm_display_mode *mode); > extern int psb_intel_lvds_set_property(struct drm_connector *connector, > struct drm_property *property, > uint64_t value); > diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c > b/drivers/gpu/drm/gma500/psb_intel_lvds.c > index > 138f153d38ba354b2632eb39f559e1dad003ebf8..9ad611b5956eb4a289f7ba7f86ee94c0068ef5f1 > 100644 > --- a/drivers/gpu/drm/gma500/psb_intel_lvds.c > +++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c > @@ -331,7 +331,7 @@ static void psb_intel_lvds_restore(struct drm_connector > *connector) > } > > enum drm_mode_status psb_intel_lvds_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct drm_psb_private *dev_priv = to_drm_psb_private(connector->dev); > struct gma_encoder *gma_encoder = gma_attached_encoder(connector); > diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo.c > b/drivers/gpu/drm/gma500/psb_intel_sdvo.c > index > 8dafff963ca8bc169706c283fa1504958d69a72e..afda40fc449470b1ba3244b3d236db12ee61d452 > 100644 > --- a/drivers/gpu/drm/gma500/psb_intel_sdvo.c > +++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c > @@ -1159,7 +1159,7 @@ static void psb_intel_sdvo_dpms(struct drm_encoder > *encoder, int mode) > } > > static enum drm_mode_status psb_intel_sdvo_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector); > > diff --git a/drivers/gpu/drm/i915/display/dvo_ch7017.c > b/drivers/gpu/drm/i915/display/dvo_ch7017.c > index > 493e730c685b80055ad81a615a4a36d30d00cd17..206818f9ad49e6a6876d4e179f34ce7d8369fd06 > 100644 > --- a/drivers/gpu/drm/i915/display/dvo_ch7017.c > +++ b/drivers/gpu/drm/i915/display/dvo_ch7017.c > @@ -247,7 +247,7 @@ static enum drm_connector_status ch7017_detect(struct > intel_dvo_device *dvo) > } > > static enum drm_mode_status ch7017_mode_valid(struct intel_dvo_device *dvo, > - struct drm_display_mode *mode) > + const struct drm_display_mode > *mode) > { > if (mode->clock > 160000) > return MODE_CLOCK_HIGH; > diff --git a/drivers/gpu/drm/i915/display/dvo_ch7xxx.c > b/drivers/gpu/drm/i915/display/dvo_ch7xxx.c > index > 534b8544e0a41ddd5761610f63f890d6d42ac6bd..10ab3cc73e586492aa7bc0d767d7fcd57f72db25 > 100644 > --- a/drivers/gpu/drm/i915/display/dvo_ch7xxx.c > +++ b/drivers/gpu/drm/i915/display/dvo_ch7xxx.c > @@ -276,7 +276,7 @@ static enum drm_connector_status ch7xxx_detect(struct > intel_dvo_device *dvo) > } > > static enum drm_mode_status ch7xxx_mode_valid(struct intel_dvo_device *dvo, > - struct drm_display_mode *mode) > + const struct drm_display_mode > *mode) > { > if (mode->clock > 165000) > return MODE_CLOCK_HIGH; > diff --git a/drivers/gpu/drm/i915/display/dvo_ivch.c > b/drivers/gpu/drm/i915/display/dvo_ivch.c > index > 0d5cce6051b1b8451a6da38e54da5e1cd6cd7eaf..d9c3152d4338fbf3ba97ac69c3bd11a285c10c4e > 100644 > --- a/drivers/gpu/drm/i915/display/dvo_ivch.c > +++ b/drivers/gpu/drm/i915/display/dvo_ivch.c > @@ -314,7 +314,7 @@ static enum drm_connector_status ivch_detect(struct > intel_dvo_device *dvo) > } > > static enum drm_mode_status ivch_mode_valid(struct intel_dvo_device *dvo, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > if (mode->clock > 112000) > return MODE_CLOCK_HIGH; > diff --git a/drivers/gpu/drm/i915/display/dvo_ns2501.c > b/drivers/gpu/drm/i915/display/dvo_ns2501.c > index > 9d47f8a93e94b5da3dd7afaa9cd268c8b1260751..cb619ffc974f28c2ed931e8ace2cda1eab6c84c7 > 100644 > --- a/drivers/gpu/drm/i915/display/dvo_ns2501.c > +++ b/drivers/gpu/drm/i915/display/dvo_ns2501.c > @@ -524,7 +524,7 @@ static enum drm_connector_status ns2501_detect(struct > intel_dvo_device *dvo) > } > > static enum drm_mode_status ns2501_mode_valid(struct intel_dvo_device *dvo, > - struct drm_display_mode *mode) > + const struct drm_display_mode > *mode) > { > DRM_DEBUG_KMS > ("is mode valid (hdisplay=%d,htotal=%d,vdisplay=%d,vtotal=%d)\n", > diff --git a/drivers/gpu/drm/i915/display/dvo_sil164.c > b/drivers/gpu/drm/i915/display/dvo_sil164.c > index > a8dd40c0099703484b3ed6154fa9df948c5f9128..b42c717085f316a1e887340a36b5bd6090099789 > 100644 > --- a/drivers/gpu/drm/i915/display/dvo_sil164.c > +++ b/drivers/gpu/drm/i915/display/dvo_sil164.c > @@ -189,7 +189,7 @@ static enum drm_connector_status sil164_detect(struct > intel_dvo_device *dvo) > } > > static enum drm_mode_status sil164_mode_valid(struct intel_dvo_device *dvo, > - struct drm_display_mode *mode) > + const struct drm_display_mode > *mode) > { > return MODE_OK; > } > diff --git a/drivers/gpu/drm/i915/display/dvo_tfp410.c > b/drivers/gpu/drm/i915/display/dvo_tfp410.c > index > d9a0cd753a878db8fda9fb537dd8f7ca4036c7e8..280699438526790b76f0bbf7a5d73aa109546558 > 100644 > --- a/drivers/gpu/drm/i915/display/dvo_tfp410.c > +++ b/drivers/gpu/drm/i915/display/dvo_tfp410.c > @@ -217,7 +217,7 @@ static enum drm_connector_status tfp410_detect(struct > intel_dvo_device *dvo) > } > > static enum drm_mode_status tfp410_mode_valid(struct intel_dvo_device *dvo, > - struct drm_display_mode *mode) > + const struct drm_display_mode > *mode) > { > return MODE_OK; > } > diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c > b/drivers/gpu/drm/i915/display/icl_dsi.c > index > 87a27d91d15dc9e28fe95548942a17a5ad1bb0b4..644efaa89c855beae30abb7b9a78c5d167dab27b > 100644 > --- a/drivers/gpu/drm/i915/display/icl_dsi.c > +++ b/drivers/gpu/drm/i915/display/icl_dsi.c > @@ -1451,7 +1451,7 @@ static void gen11_dsi_post_disable(struct > intel_atomic_state *state, > } > > static enum drm_mode_status gen11_dsi_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode > *mode) > { > struct drm_i915_private *i915 = to_i915(connector->dev); > enum drm_mode_status status; > diff --git a/drivers/gpu/drm/i915/display/intel_crt.c > b/drivers/gpu/drm/i915/display/intel_crt.c > index > fd78adbaadbe82ae7dbaaee1f4a1175ede81932d..2cda689a8f4f5a677aade0ac6b705be9ca62bf64 > 100644 > --- a/drivers/gpu/drm/i915/display/intel_crt.c > +++ b/drivers/gpu/drm/i915/display/intel_crt.c > @@ -344,7 +344,7 @@ static void intel_enable_crt(struct intel_atomic_state > *state, > > static enum drm_mode_status > intel_crt_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct drm_device *dev = connector->dev; > struct drm_i915_private *dev_priv = to_i915(dev); > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c > b/drivers/gpu/drm/i915/display/intel_dp.c > index > fbb096be02ade5e4bb36e65f197705d90dfa8a55..66ec69ee73b370d67d1da21b71f42fa326dcfa15 > 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -1366,7 +1366,7 @@ bool intel_dp_has_dsc(const struct intel_connector > *connector) > > static enum drm_mode_status > intel_dp_mode_valid(struct drm_connector *_connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct intel_connector *connector = to_intel_connector(_connector); > struct intel_dp *intel_dp = intel_attached_dp(connector); > diff --git a/drivers/gpu/drm/i915/display/intel_dsi.c > b/drivers/gpu/drm/i915/display/intel_dsi.c > index > 0be46c6c9611f7c386a052ad8b79f4924727b892..c93a3cf75c52cc2bf2f4ba85b0cdef9e3a8ebd76 > 100644 > --- a/drivers/gpu/drm/i915/display/intel_dsi.c > +++ b/drivers/gpu/drm/i915/display/intel_dsi.c > @@ -58,7 +58,7 @@ int intel_dsi_get_modes(struct drm_connector *connector) > } > > enum drm_mode_status intel_dsi_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct drm_i915_private *dev_priv = to_i915(connector->dev); > struct intel_connector *intel_connector = to_intel_connector(connector); > diff --git a/drivers/gpu/drm/i915/display/intel_dsi.h > b/drivers/gpu/drm/i915/display/intel_dsi.h > index > e8ba4ccd99d3c76e220415a3bb638c87689f6dca..89c7166a3860bb76b19e0afac1ce047f70cc0630 > 100644 > --- a/drivers/gpu/drm/i915/display/intel_dsi.h > +++ b/drivers/gpu/drm/i915/display/intel_dsi.h > @@ -165,7 +165,7 @@ enum drm_panel_orientation > intel_dsi_get_panel_orientation(struct intel_connector *connector); > int intel_dsi_get_modes(struct drm_connector *connector); > enum drm_mode_status intel_dsi_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode); > + const struct drm_display_mode *mode); > struct intel_dsi_host *intel_dsi_host_init(struct intel_dsi *intel_dsi, > const struct mipi_dsi_host_ops > *funcs, > enum port port); > diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c > b/drivers/gpu/drm/i915/display/intel_dvo.c > index > 9508ceae0d846c3a8255653b38ebbcb5dc4bc233..2ecbad6f41a5ad64f7aa7fab50cbf20eda4efde2 > 100644 > --- a/drivers/gpu/drm/i915/display/intel_dvo.c > +++ b/drivers/gpu/drm/i915/display/intel_dvo.c > @@ -217,7 +217,7 @@ static void intel_enable_dvo(struct intel_atomic_state > *state, > > static enum drm_mode_status > intel_dvo_mode_valid(struct drm_connector *_connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct intel_connector *connector = to_intel_connector(_connector); > struct drm_i915_private *i915 = to_i915(connector->base.dev); > diff --git a/drivers/gpu/drm/i915/display/intel_dvo_dev.h > b/drivers/gpu/drm/i915/display/intel_dvo_dev.h > index > 4bf476656b8cd2eb6c401fbc2101006c0927df24..d20667870e50f00356b5c1cf6f87c481916d23f0 > 100644 > --- a/drivers/gpu/drm/i915/display/intel_dvo_dev.h > +++ b/drivers/gpu/drm/i915/display/intel_dvo_dev.h > @@ -71,7 +71,7 @@ struct intel_dvo_dev_ops { > * \return MODE_OK if the mode is valid, or another MODE_* otherwise. > */ > enum drm_mode_status (*mode_valid)(struct intel_dvo_device *dvo, > - struct drm_display_mode *mode); > + const struct drm_display_mode *mode); > > /* > * Callback for setting up a video mode after fixups have been made. > diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c > b/drivers/gpu/drm/i915/display/intel_hdmi.c > index > 72ac910bf6ec4baf440e24d91e43b2217e67451e..848aebaa6b08bbb8b1defaede7aa5ae98a2c35f3 > 100644 > --- a/drivers/gpu/drm/i915/display/intel_hdmi.c > +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c > @@ -2000,7 +2000,7 @@ intel_hdmi_mode_clock_valid(struct drm_connector > *connector, int clock, > > static enum drm_mode_status > intel_hdmi_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct intel_display *display = to_intel_display(connector->dev); > struct intel_hdmi *hdmi = > intel_attached_hdmi(to_intel_connector(connector)); > diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c > b/drivers/gpu/drm/i915/display/intel_lvds.c > index > 5f753ee743c610cd2408fcc926a3cda178ef4c00..6928ae41a36f359cf920df284b128ade7e653368 > 100644 > --- a/drivers/gpu/drm/i915/display/intel_lvds.c > +++ b/drivers/gpu/drm/i915/display/intel_lvds.c > @@ -388,7 +388,7 @@ static void intel_lvds_shutdown(struct intel_encoder > *encoder) > > static enum drm_mode_status > intel_lvds_mode_valid(struct drm_connector *_connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct intel_connector *connector = to_intel_connector(_connector); > struct drm_i915_private *i915 = to_i915(connector->base.dev); > diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c > b/drivers/gpu/drm/i915/display/intel_sdvo.c > index > b83bf813677d53194af97dcbccaf10bd00fa0147..03a3b83c5dbac9c4b7a458b65c066072e856b08f > 100644 > --- a/drivers/gpu/drm/i915/display/intel_sdvo.c > +++ b/drivers/gpu/drm/i915/display/intel_sdvo.c > @@ -1938,7 +1938,7 @@ static void intel_enable_sdvo(struct intel_atomic_state > *state, > > static enum drm_mode_status > intel_sdvo_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct drm_i915_private *i915 = to_i915(connector->dev); > struct intel_sdvo *intel_sdvo = > intel_attached_sdvo(to_intel_connector(connector)); > diff --git a/drivers/gpu/drm/i915/display/intel_tv.c > b/drivers/gpu/drm/i915/display/intel_tv.c > index > e40aff490486336c8f7399c9e81795aff40b5e40..104a928b8249064bd77fe65f81c1332254656d21 > 100644 > --- a/drivers/gpu/drm/i915/display/intel_tv.c > +++ b/drivers/gpu/drm/i915/display/intel_tv.c > @@ -957,7 +957,7 @@ static const struct tv_mode *intel_tv_mode_find(const > struct drm_connector_state > > static enum drm_mode_status > intel_tv_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct intel_display *display = to_intel_display(connector->dev); > struct drm_i915_private *i915 = to_i915(connector->dev); > diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c > b/drivers/gpu/drm/i915/display/vlv_dsi.c > index > 32d15bd9a358350694503cee5f4c0632c4d6cd6e..3a9332f2c91300183709e14286e509d7a8d22f55 > 100644 > --- a/drivers/gpu/drm/i915/display/vlv_dsi.c > +++ b/drivers/gpu/drm/i915/display/vlv_dsi.c > @@ -1541,7 +1541,7 @@ static const struct drm_encoder_funcs intel_dsi_funcs = > { > }; > > static enum drm_mode_status vlv_dsi_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode > *mode) > { > struct drm_i915_private *i915 = to_i915(connector->dev); > > diff --git a/drivers/gpu/drm/imx/ipuv3/imx-tve.c > b/drivers/gpu/drm/imx/ipuv3/imx-tve.c > index > d46d07d25f51795b1a569adafb51b9896e0b77d4..bdebd11cb7b1f534ac9f5a6613ded195c789e132 > 100644 > --- a/drivers/gpu/drm/imx/ipuv3/imx-tve.c > +++ b/drivers/gpu/drm/imx/ipuv3/imx-tve.c > @@ -217,7 +217,7 @@ static int imx_tve_connector_get_modes(struct > drm_connector *connector) > > static enum drm_mode_status > imx_tve_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct imx_tve *tve = con_to_tve(connector); > unsigned long rate; > diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_lvds_connector.c > b/drivers/gpu/drm/msm/disp/mdp4/mdp4_lvds_connector.c > index > 7444b75c4215794f544553d7dee552718dad947d..52e728181b523cc3380d7718b5956e7e2dbd4cad > 100644 > --- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_lvds_connector.c > +++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_lvds_connector.c > @@ -58,7 +58,7 @@ static int mdp4_lvds_connector_get_modes(struct > drm_connector *connector) > > static enum drm_mode_status > mdp4_lvds_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct mdp4_lvds_connector *mdp4_lvds_connector = > to_mdp4_lvds_connector(connector); > diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c > b/drivers/gpu/drm/nouveau/dispnv50/disp.c > index > eed579a6c858b658e0ce4c90670c057bd05d27e4..ad88041a1c75e1bc4872b64c219d375a47deda74 > 100644 > --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c > +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c > @@ -1142,7 +1142,7 @@ nv50_mstc_atomic_best_encoder(struct drm_connector > *connector, > > static enum drm_mode_status > nv50_mstc_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct nv50_mstc *mstc = nv50_mstc(connector); > struct nouveau_encoder *outp = mstc->mstm->outp; > diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c > b/drivers/gpu/drm/nouveau/nouveau_connector.c > index > 8d5c9c74cbb90927036cee75f173f687617f14ec..2d26784bde74c0909ad69af61166821a7f3c114d > 100644 > --- a/drivers/gpu/drm/nouveau/nouveau_connector.c > +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c > @@ -1074,7 +1074,7 @@ get_tmds_link_bandwidth(struct drm_connector *connector) > > static enum drm_mode_status > nouveau_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct nouveau_connector *nv_connector = nouveau_connector(connector); > struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; > diff --git a/drivers/gpu/drm/qxl/qxl_display.c > b/drivers/gpu/drm/qxl/qxl_display.c > index > bc24af08dfcd559e77e0e48aef140b714a992976..70aff64ced87a09fd6f678ad9d794e875d2c8353 > 100644 > --- a/drivers/gpu/drm/qxl/qxl_display.c > +++ b/drivers/gpu/drm/qxl/qxl_display.c > @@ -1044,7 +1044,7 @@ static int qxl_conn_get_modes(struct drm_connector > *connector) > } > > static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct drm_device *ddev = connector->dev; > struct qxl_device *qdev = to_qxl(ddev); > diff --git a/drivers/gpu/drm/radeon/atombios_dp.c > b/drivers/gpu/drm/radeon/atombios_dp.c > index > 6328627b7c342cefb2f0b2c3aafcb688f2db4482..fa78824931cc428b1f9e23fe8f98867136ef9883 > 100644 > --- a/drivers/gpu/drm/radeon/atombios_dp.c > +++ b/drivers/gpu/drm/radeon/atombios_dp.c > @@ -467,7 +467,7 @@ void radeon_dp_set_link_config(struct drm_connector > *connector, > } > > int radeon_dp_mode_valid_helper(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct radeon_connector *radeon_connector = > to_radeon_connector(connector); > struct radeon_connector_atom_dig *dig_connector; > diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c > b/drivers/gpu/drm/radeon/radeon_connectors.c > index > f9c73c55f04f76ed5c78e9169004f8a7dea6004e..3ec58df0f534afcad09a161fe643bd47c3ca1c7a > 100644 > --- a/drivers/gpu/drm/radeon/radeon_connectors.c > +++ b/drivers/gpu/drm/radeon/radeon_connectors.c > @@ -806,7 +806,7 @@ static int radeon_lvds_get_modes(struct drm_connector > *connector) > } > > static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct drm_encoder *encoder = radeon_best_single_encoder(connector); > > @@ -968,7 +968,7 @@ static int radeon_vga_get_modes(struct drm_connector > *connector) > } > > static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct drm_device *dev = connector->dev; > struct radeon_device *rdev = dev->dev_private; > @@ -1116,7 +1116,7 @@ static int radeon_tv_get_modes(struct drm_connector > *connector) > } > > static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) > return MODE_CLOCK_RANGE; > @@ -1457,7 +1457,7 @@ static void radeon_dvi_force(struct drm_connector > *connector) > } > > static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct drm_device *dev = connector->dev; > struct radeon_device *rdev = dev->dev_private; > @@ -1733,7 +1733,7 @@ radeon_dp_detect(struct drm_connector *connector, bool > force) > } > > static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct drm_device *dev = connector->dev; > struct radeon_device *rdev = dev->dev_private; > diff --git a/drivers/gpu/drm/radeon/radeon_mode.h > b/drivers/gpu/drm/radeon/radeon_mode.h > index > 4063d3801e819ba2726b63225e5f3f7d85eb760f..3102f6c2d0556210c10feff93f2a7103b10beea4 > 100644 > --- a/drivers/gpu/drm/radeon/radeon_mode.h > +++ b/drivers/gpu/drm/radeon/radeon_mode.h > @@ -706,7 +706,7 @@ extern int radeon_get_monitor_bpc(struct drm_connector > *connector); > > extern void radeon_connector_hotplug(struct drm_connector *connector); > extern int radeon_dp_mode_valid_helper(struct drm_connector *connector, > - struct drm_display_mode *mode); > + const struct drm_display_mode *mode); > extern void radeon_dp_set_link_config(struct drm_connector *connector, > const struct drm_display_mode *mode); > extern void radeon_dp_link_train(struct drm_encoder *encoder, > diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c > b/drivers/gpu/drm/rockchip/cdn-dp-core.c > index > f576b1aa86d1434d75b3770e08d91537aca4f5c4..573b84dbea49bb1071bb704560424ed8fad524ea > 100644 > --- a/drivers/gpu/drm/rockchip/cdn-dp-core.c > +++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c > @@ -275,7 +275,7 @@ static int cdn_dp_connector_get_modes(struct > drm_connector *connector) > > static enum drm_mode_status > cdn_dp_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct cdn_dp_device *dp = connector_to_dp(connector); > struct drm_display_info *display_info = &dp->connector.display_info; > diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c > b/drivers/gpu/drm/rockchip/inno_hdmi.c > index > 42ef62aa0a1e078d4b1db93eb20c7cc21054df28..a43cd7953bceb3ad8b179bf1cb952c601988018e > 100644 > --- a/drivers/gpu/drm/rockchip/inno_hdmi.c > +++ b/drivers/gpu/drm/rockchip/inno_hdmi.c > @@ -471,7 +471,7 @@ static int inno_hdmi_setup(struct inno_hdmi *hdmi, > } > > static enum drm_mode_status inno_hdmi_display_mode_valid(struct inno_hdmi > *hdmi, > - struct > drm_display_mode *mode) > + const struct > drm_display_mode *mode) > { > unsigned long mpixelclk, max_tolerance; > long rounded_refclk; > @@ -577,7 +577,7 @@ static int inno_hdmi_connector_get_modes(struct > drm_connector *connector) > > static enum drm_mode_status > inno_hdmi_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct inno_hdmi *hdmi = connector_to_inno_hdmi(connector); > > diff --git a/drivers/gpu/drm/rockchip/rk3066_hdmi.c > b/drivers/gpu/drm/rockchip/rk3066_hdmi.c > index > 784de990da1b2c076a7067dcebb6c4a1273a5d5c..fa9da55949a3376fc3df11bd84e4c5f72d6a9063 > 100644 > --- a/drivers/gpu/drm/rockchip/rk3066_hdmi.c > +++ b/drivers/gpu/drm/rockchip/rk3066_hdmi.c > @@ -482,7 +482,7 @@ static int rk3066_hdmi_connector_get_modes(struct > drm_connector *connector) > > static enum drm_mode_status > rk3066_hdmi_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > u32 vic = drm_match_cea_mode(mode); > > diff --git a/drivers/gpu/drm/sti/sti_dvo.c b/drivers/gpu/drm/sti/sti_dvo.c > index > 68b8197b3dd16713a49d97f91498b686fdda21ec..96913232479bbccaf77dd2b35c1eb615d074689d > 100644 > --- a/drivers/gpu/drm/sti/sti_dvo.c > +++ b/drivers/gpu/drm/sti/sti_dvo.c > @@ -349,7 +349,7 @@ static int sti_dvo_connector_get_modes(struct > drm_connector *connector) > > static enum drm_mode_status > sti_dvo_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > int target = mode->clock * 1000; > int target_min = target - CLK_TOLERANCE_HZ; > diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c > index > 829dc4b034e8a79a908bda60485c2b94ef96890c..5ab42574e919faa0b643c4f43a8f1100f98e3b93 > 100644 > --- a/drivers/gpu/drm/sti/sti_hda.c > +++ b/drivers/gpu/drm/sti/sti_hda.c > @@ -603,7 +603,7 @@ static int sti_hda_connector_get_modes(struct > drm_connector *connector) > > static enum drm_mode_status > sti_hda_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > int target = mode->clock * 1000; > int target_min = target - CLK_TOLERANCE_HZ; > diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c > index > 847470f747c0efad61c2ebdc3fb3746a7a13a863..58962e8675a8d5860f725b8a17a7d0268f23168c > 100644 > --- a/drivers/gpu/drm/sti/sti_hdmi.c > +++ b/drivers/gpu/drm/sti/sti_hdmi.c > @@ -1011,7 +1011,7 @@ static int sti_hdmi_connector_get_modes(struct > drm_connector *connector) > > static enum drm_mode_status > sti_hdmi_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > int target = mode->clock * 1000; > int target_min = target - CLK_TOLERANCE_HZ; > diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c > b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c > index > b3649449de3026784ae2f3466906403a0b6e3b47..523d32f31e4e1d45ad33e52b22e88900248d0810 > 100644 > --- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c > +++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c > @@ -207,7 +207,7 @@ static int sun4i_hdmi_connector_atomic_check(struct > drm_connector *connector, > > static enum drm_mode_status > sun4i_hdmi_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > unsigned long long rate = drm_hdmi_compute_mode_clock(mode, 8, > > HDMI_COLORSPACE_RGB); > diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c > index > db606e151afc81e26eaacb36a90389acc3b5a1aa..a4f1ba189baa90d15e84de83e8a9f170459bf07c > 100644 > --- a/drivers/gpu/drm/tegra/dsi.c > +++ b/drivers/gpu/drm/tegra/dsi.c > @@ -812,7 +812,7 @@ static const struct drm_connector_funcs > tegra_dsi_connector_funcs = { > > static enum drm_mode_status > tegra_dsi_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > return MODE_OK; > } > diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c > index > 6bf2dae82ca0510ae36304c077946114fb570390..c4f9a86460dda25891aeb1eddde1d517cf7f44ad > 100644 > --- a/drivers/gpu/drm/tegra/hdmi.c > +++ b/drivers/gpu/drm/tegra/hdmi.c > @@ -1137,7 +1137,7 @@ static const struct drm_connector_funcs > tegra_hdmi_connector_funcs = { > > static enum drm_mode_status > tegra_hdmi_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct tegra_output *output = connector_to_output(connector); > struct tegra_hdmi *hdmi = to_hdmi(output); > diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c > index > bad3b8fcc72692eaf89fe82e1a0c70abc00a6b79..f85ab0eeeb5f46995323e5c57be0c1bb267cae79 > 100644 > --- a/drivers/gpu/drm/tegra/sor.c > +++ b/drivers/gpu/drm/tegra/sor.c > @@ -1789,7 +1789,7 @@ static int tegra_sor_connector_get_modes(struct > drm_connector *connector) > > static enum drm_mode_status > tegra_sor_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > return MODE_OK; > } > diff --git a/drivers/gpu/drm/vc4/vc4_txp.c b/drivers/gpu/drm/vc4/vc4_txp.c > index > ffe1f7d1b911d35b0b3d50f4ae55634786b8bebd..6059e32b86d16263a5425d0f30a4d86ad571f3ed > 100644 > --- a/drivers/gpu/drm/vc4/vc4_txp.c > +++ b/drivers/gpu/drm/vc4/vc4_txp.c > @@ -192,7 +192,7 @@ static int vc4_txp_connector_get_modes(struct > drm_connector *connector) > > static enum drm_mode_status > vc4_txp_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct drm_device *dev = connector->dev; > struct drm_mode_config *mode_config = &dev->mode_config; > diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c > b/drivers/gpu/drm/virtio/virtgpu_display.c > index > 64baf2f22d9f0566511b38f49a6e3225f2acd9ee..59a45e74a64126e8c7b99462111565499fcd12b0 > 100644 > --- a/drivers/gpu/drm/virtio/virtgpu_display.c > +++ b/drivers/gpu/drm/virtio/virtgpu_display.c > @@ -189,7 +189,7 @@ static int virtio_gpu_conn_get_modes(struct drm_connector > *connector) > } > > static enum drm_mode_status virtio_gpu_conn_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct virtio_gpu_output *output = > drm_connector_to_virtio_gpu_output(connector); > diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c > b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c > index > f39bf992364da4c264dbff4d56aeb078ca16be29..9cfaa2c5f096127ac10829a5cef0ac81a89be5a7 > 100644 > --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c > +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c > @@ -2658,7 +2658,7 @@ int vmw_du_helper_plane_update(struct > vmw_du_update_plane *update) > * Returns MODE_OK on success, or a drm_mode_status error code. > */ > enum drm_mode_status vmw_connector_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode > *mode) > { > enum drm_mode_status ret; > struct drm_device *dev = connector->dev; > diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h > b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h > index > 2a6c6d6581e02bb51c9d70cef3ddce1a0f9ecd1a..4eab581883e26d339298fb0fb4386e7dc90c1e6e > 100644 > --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h > +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h > @@ -435,7 +435,7 @@ int vmw_kms_helper_dirty(struct vmw_private *dev_priv, > int increment, > struct vmw_kms_dirty *dirty); > enum drm_mode_status vmw_connector_mode_valid(struct drm_connector > *connector, > - struct drm_display_mode *mode); > + const struct drm_display_mode > *mode); > int vmw_connector_get_modes(struct drm_connector *connector); > > void vmw_kms_helper_validation_finish(struct vmw_private *dev_priv, > diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c > b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c > index > 82d18b88f4a7e7aaff2d7123fce1af05754e34d9..cbec3b244eb5483f678f7711d56eeedfed47841b > 100644 > --- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c > +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c > @@ -839,7 +839,7 @@ static void vmw_stdu_connector_destroy(struct > drm_connector *connector) > > static enum drm_mode_status > vmw_stdu_connector_mode_valid(struct drm_connector *connector, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > enum drm_mode_status ret; > struct drm_device *dev = connector->dev; > diff --git a/include/drm/drm_modeset_helper_vtables.h > b/include/drm/drm_modeset_helper_vtables.h > index > fa9ee6a128bec0205f501df6f7634757f5fcb9ee..b62f41f489625e5177bdc05eef950e6c18c219fd > 100644 > --- a/include/drm/drm_modeset_helper_vtables.h > +++ b/include/drm/drm_modeset_helper_vtables.h > @@ -967,7 +967,7 @@ struct drm_connector_helper_funcs { > * drm_mode_status. > */ > enum drm_mode_status (*mode_valid)(struct drm_connector *connector, > - struct drm_display_mode *mode); > + const struct drm_display_mode *mode); > > /** > * @mode_valid_ctx: > -- Regards, Laurent Pinchart