The backlight functions need to determine the pipe and the transcoder the backlight will be enabled on, so pass crtc_state instead of trying to dereference the state without holding locks.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100022 Signed-off-by: Maarten Lankhorst <[email protected]> --- drivers/gpu/drm/i915/intel_ddi.c | 4 ++-- drivers/gpu/drm/i915/intel_dp.c | 21 ++++++++++++--------- drivers/gpu/drm/i915/intel_drv.h | 10 ++++++---- drivers/gpu/drm/i915/intel_dsi.c | 4 ++-- drivers/gpu/drm/i915/intel_lvds.c | 16 +++------------- drivers/gpu/drm/i915/intel_panel.c | 12 +++++++----- 6 files changed, 32 insertions(+), 35 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 8bac62805cd1..2d35d97d170e 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1845,7 +1845,7 @@ static void intel_enable_ddi(struct intel_encoder *intel_encoder, if (port == PORT_A && INTEL_GEN(dev_priv) < 9) intel_dp_stop_link_train(intel_dp); - intel_edp_backlight_on(intel_dp); + intel_edp_backlight_on(pipe_config, conn_state); intel_psr_enable(intel_dp); intel_edp_drrs_enable(intel_dp, pipe_config); } @@ -1875,7 +1875,7 @@ static void intel_disable_ddi(struct intel_encoder *intel_encoder, intel_edp_drrs_disable(intel_dp, old_crtc_state); intel_psr_disable(intel_dp); - intel_edp_backlight_off(intel_dp); + intel_edp_backlight_off(old_conn_state); } } diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index db5133800d8c..950646fab48c 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2311,14 +2311,17 @@ static void _intel_edp_backlight_on(struct intel_dp *intel_dp) } /* Enable backlight PWM and backlight PP control. */ -void intel_edp_backlight_on(struct intel_dp *intel_dp) +void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) { + struct intel_dp *intel_dp = enc_to_intel_dp(conn_state->best_encoder); + if (!is_edp(intel_dp)) return; DRM_DEBUG_KMS("\n"); - intel_panel_enable_backlight(intel_dp->attached_connector); + intel_panel_enable_backlight(crtc_state, conn_state); _intel_edp_backlight_on(intel_dp); } @@ -2350,15 +2353,17 @@ static void _intel_edp_backlight_off(struct intel_dp *intel_dp) } /* Disable backlight PP control and backlight PWM. */ -void intel_edp_backlight_off(struct intel_dp *intel_dp) +void intel_edp_backlight_off(const struct drm_connector_state *old_conn_state) { + struct intel_dp *intel_dp = enc_to_intel_dp(old_conn_state->best_encoder); + if (!is_edp(intel_dp)) return; DRM_DEBUG_KMS("\n"); _intel_edp_backlight_off(intel_dp); - intel_panel_disable_backlight(intel_dp->attached_connector); + intel_panel_disable_backlight(old_conn_state); } /* @@ -2654,7 +2659,7 @@ static void intel_disable_dp(struct intel_encoder *encoder, /* Make sure the panel is off before trying to change the mode. But also * ensure that we have vdd while we switch off the panel. */ intel_edp_panel_vdd_on(intel_dp); - intel_edp_backlight_off(intel_dp); + intel_edp_backlight_off(old_conn_state); intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF); intel_edp_panel_off(intel_dp); @@ -2868,10 +2873,8 @@ static void g4x_enable_dp(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state) { - struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); - intel_enable_dp(encoder, pipe_config, conn_state); - intel_edp_backlight_on(intel_dp); + intel_edp_backlight_on(pipe_config, conn_state); } static void vlv_enable_dp(struct intel_encoder *encoder, @@ -2880,7 +2883,7 @@ static void vlv_enable_dp(struct intel_encoder *encoder, { struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); - intel_edp_backlight_on(intel_dp); + intel_edp_backlight_on(pipe_config, conn_state); intel_psr_enable(intel_dp); } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 83dd40905821..605af676a87d 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1519,8 +1519,9 @@ bool intel_dp_compute_config(struct intel_encoder *encoder, bool intel_dp_is_edp(struct drm_i915_private *dev_priv, enum port port); enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd); -void intel_edp_backlight_on(struct intel_dp *intel_dp); -void intel_edp_backlight_off(struct intel_dp *intel_dp); +void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state); +void intel_edp_backlight_off(const struct drm_connector_state *conn_state); void intel_edp_panel_vdd_on(struct intel_dp *intel_dp); void intel_edp_panel_on(struct intel_dp *intel_dp); void intel_edp_panel_off(struct intel_dp *intel_dp); @@ -1704,8 +1705,9 @@ void intel_panel_set_backlight_acpi(struct intel_connector *connector, u32 level, u32 max); int intel_panel_setup_backlight(struct drm_connector *connector, enum pipe pipe); -void intel_panel_enable_backlight(struct intel_connector *connector); -void intel_panel_disable_backlight(struct intel_connector *connector); +void intel_panel_enable_backlight(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state); +void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_state); void intel_panel_destroy_backlight(struct drm_connector *connector); enum drm_connector_status intel_panel_detect(struct drm_i915_private *dev_priv); extern struct drm_display_mode *intel_find_panel_downclock( diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 54030b68406a..721f3f3adc1e 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -835,7 +835,7 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder, intel_dsi_port_enable(encoder); } - intel_panel_enable_backlight(intel_dsi->attached_connector); + intel_panel_enable_backlight(pipe_config, conn_state); intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON); } @@ -866,7 +866,7 @@ static void intel_dsi_disable(struct intel_encoder *encoder, DRM_DEBUG_KMS("\n"); intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_OFF); - intel_panel_disable_backlight(intel_dsi->attached_connector); + intel_panel_disable_backlight(old_conn_state); /* * Disable Device ready before the port shutdown in order diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index d2c2bca1b327..6fe5d7c3bc23 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -311,8 +311,6 @@ static void intel_enable_lvds(struct intel_encoder *encoder, { struct drm_device *dev = encoder->base.dev; struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); - struct intel_connector *intel_connector = - &lvds_encoder->attached_connector->base; struct drm_i915_private *dev_priv = to_i915(dev); I915_WRITE(lvds_encoder->reg, I915_READ(lvds_encoder->reg) | LVDS_PORT_EN); @@ -322,7 +320,7 @@ static void intel_enable_lvds(struct intel_encoder *encoder, if (intel_wait_for_register(dev_priv, PP_STATUS(0), PP_ON, PP_ON, 1000)) DRM_ERROR("timed out waiting for panel to power on\n"); - intel_panel_enable_backlight(intel_connector); + intel_panel_enable_backlight(pipe_config, conn_state); } static void intel_disable_lvds(struct intel_encoder *encoder, @@ -345,11 +343,7 @@ static void gmch_disable_lvds(struct intel_encoder *encoder, struct drm_connector_state *old_conn_state) { - struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); - struct intel_connector *intel_connector = - &lvds_encoder->attached_connector->base; - - intel_panel_disable_backlight(intel_connector); + intel_panel_disable_backlight(old_conn_state); intel_disable_lvds(encoder, old_crtc_state, old_conn_state); } @@ -358,11 +352,7 @@ static void pch_disable_lvds(struct intel_encoder *encoder, struct intel_crtc_state *old_crtc_state, struct drm_connector_state *old_conn_state) { - struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); - struct intel_connector *intel_connector = - &lvds_encoder->attached_connector->base; - - intel_panel_disable_backlight(intel_connector); + intel_panel_disable_backlight(old_conn_state); } static void pch_post_disable_lvds(struct intel_encoder *encoder, diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 4114cb3f14e7..2567533544aa 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -819,8 +819,9 @@ static void pwm_disable_backlight(struct intel_connector *connector) pwm_disable(panel->backlight.pwm); } -void intel_panel_disable_backlight(struct intel_connector *connector) +void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_state) { + struct intel_connector *connector = to_intel_connector(old_conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); struct intel_panel *panel = &connector->panel; @@ -1136,17 +1137,18 @@ static void pwm_enable_backlight(struct intel_connector *connector) intel_panel_actually_set_backlight(connector, panel->backlight.level); } -void intel_panel_enable_backlight(struct intel_connector *connector) +void intel_panel_enable_backlight(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) { + struct intel_connector *connector = to_intel_connector(conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); struct intel_panel *panel = &connector->panel; - enum pipe pipe = intel_get_pipe_from_connector(connector); + enum pipe pipe = to_intel_crtc(crtc_state->base.crtc)->pipe; if (!panel->backlight.present) return; - if (!WARN_ON_ONCE(pipe == INVALID_PIPE)) - DRM_DEBUG_KMS("pipe %c\n", pipe_name(pipe)); + DRM_DEBUG_KMS("pipe %c\n", pipe_name(pipe)); mutex_lock(&dev_priv->backlight_lock); -- 2.11.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
