On Tue, Jan 17, 2023 at 04:39:46PM +0200, Jani Nikula wrote:
> Move the display related members to the struct drm_i915_private display
> sub-struct. Put them under "state", as they are related to storing
> values that aren't readable from the hardware, to appease the state
> checker.
> 
> Signed-off-by: Jani Nikula <[email protected]>

For the series:

Reviewed-by: Rodrigo Vivi <[email protected]>

> ---
>  drivers/gpu/drm/i915/display/intel_display.c      |  2 +-
>  drivers/gpu/drm/i915/display/intel_display_core.h | 10 ++++++++++
>  drivers/gpu/drm/i915/display/intel_dpio_phy.c     |  9 +++++----
>  drivers/gpu/drm/i915/display/intel_dpll.c         |  2 +-
>  drivers/gpu/drm/i915/i915_drv.h                   |  8 --------
>  5 files changed, 17 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
> b/drivers/gpu/drm/i915/display/intel_display.c
> index 734e8e613f8e..419537a79255 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -3291,7 +3291,7 @@ static bool i9xx_get_pipe_config(struct intel_crtc 
> *crtc,
>       if (DISPLAY_VER(dev_priv) >= 4) {
>               /* No way to read it out on pipes B and C */
>               if (IS_CHERRYVIEW(dev_priv) && crtc->pipe != PIPE_A)
> -                     tmp = dev_priv->chv_dpll_md[crtc->pipe];
> +                     tmp = dev_priv->display.state.chv_dpll_md[crtc->pipe];
>               else
>                       tmp = intel_de_read(dev_priv, DPLL_MD(crtc->pipe));
>               pipe_config->pixel_multiplier =
> diff --git a/drivers/gpu/drm/i915/display/intel_display_core.h 
> b/drivers/gpu/drm/i915/display/intel_display_core.h
> index c0eb753112d5..24c792d44b8f 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_core.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_core.h
> @@ -441,6 +441,16 @@ struct intel_display {
>               u8 phy_failed_calibration;
>       } snps;
>  
> +     struct {
> +             /*
> +              * Shadows for CHV DPLL_MD regs to keep the state
> +              * checker somewhat working in the presence hardware
> +              * crappiness (can't read out DPLL_MD for pipes B & C).
> +              */
> +             u32 chv_dpll_md[I915_MAX_PIPES];
> +             u32 bxt_phy_grc;
> +     } state;
> +
>       struct {
>               /* ordered wq for modesets */
>               struct workqueue_struct *modeset;
> diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.c 
> b/drivers/gpu/drm/i915/display/intel_dpio_phy.c
> index 7eb7440b3180..565c06de2432 100644
> --- a/drivers/gpu/drm/i915/display/intel_dpio_phy.c
> +++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.c
> @@ -376,7 +376,7 @@ static void _bxt_ddi_phy_init(struct drm_i915_private 
> *dev_priv,
>       if (bxt_ddi_phy_is_enabled(dev_priv, phy)) {
>               /* Still read out the GRC value for state verification */
>               if (phy_info->rcomp_phy != -1)
> -                     dev_priv->bxt_phy_grc = bxt_get_grc(dev_priv, phy);
> +                     dev_priv->display.state.bxt_phy_grc = 
> bxt_get_grc(dev_priv, phy);
>  
>               if (bxt_ddi_phy_verify_state(dev_priv, phy)) {
>                       drm_dbg(&dev_priv->drm, "DDI PHY %d already enabled, "
> @@ -442,8 +442,9 @@ static void _bxt_ddi_phy_init(struct drm_i915_private 
> *dev_priv,
>                * the corresponding calibrated value from PHY1, and disable
>                * the automatic calibration on PHY0.
>                */
> -             val = dev_priv->bxt_phy_grc = bxt_get_grc(dev_priv,
> -                                                       phy_info->rcomp_phy);
> +             val = bxt_get_grc(dev_priv, phy_info->rcomp_phy);
> +             dev_priv->display.state.bxt_phy_grc = val;
> +
>               grc_code = val << GRC_CODE_FAST_SHIFT |
>                          val << GRC_CODE_SLOW_SHIFT |
>                          val;
> @@ -568,7 +569,7 @@ bool bxt_ddi_phy_verify_state(struct drm_i915_private 
> *dev_priv,
>                          "BXT_PORT_CL2CM_DW6(%d)", phy);
>  
>       if (phy_info->rcomp_phy != -1) {
> -             u32 grc_code = dev_priv->bxt_phy_grc;
> +             u32 grc_code = dev_priv->display.state.bxt_phy_grc;
>  
>               grc_code = grc_code << GRC_CODE_FAST_SHIFT |
>                          grc_code << GRC_CODE_SLOW_SHIFT |
> diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c 
> b/drivers/gpu/drm/i915/display/intel_dpll.c
> index c236aafe9be0..4e9c18be7e1f 100644
> --- a/drivers/gpu/drm/i915/display/intel_dpll.c
> +++ b/drivers/gpu/drm/i915/display/intel_dpll.c
> @@ -1910,7 +1910,7 @@ void chv_enable_pll(const struct intel_crtc_state 
> *crtc_state)
>               intel_de_write(dev_priv, DPLL_MD(PIPE_B),
>                              crtc_state->dpll_hw_state.dpll_md);
>               intel_de_write(dev_priv, CBR4_VLV, 0);
> -             dev_priv->chv_dpll_md[pipe] = crtc_state->dpll_hw_state.dpll_md;
> +             dev_priv->display.state.chv_dpll_md[pipe] = 
> crtc_state->dpll_hw_state.dpll_md;
>  
>               /*
>                * DPLLB VGA mode also seems to cause problems.
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 9ac80a45362f..e631373cc1dc 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -300,14 +300,6 @@ struct drm_i915_private {
>  
>       struct i915_gpu_error gpu_error;
>  
> -     /*
> -      * Shadows for CHV DPLL_MD regs to keep the state
> -      * checker somewhat working in the presence hardware
> -      * crappiness (can't read out DPLL_MD for pipes B & C).
> -      */
> -     u32 chv_dpll_md[I915_MAX_PIPES];
> -     u32 bxt_phy_grc;
> -
>       u32 suspend_count;
>       struct i915_suspend_saved_registers regfile;
>       struct vlv_s0ix_state *vlv_s0ix_state;
> -- 
> 2.34.1
> 

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