On Thu, 12 Sep 2024, Ankit Nautiyal <[email protected]> wrote:
> Add macros to check if platform supports bigjoiner/uncompressed joiner.
> Replace the existing DISPLAY_VER checks with these.
> Additionally use it before readout for joiner stuff, where its missing.

Please split this to two, adding the macros and then adding the new
place.

BR,
Jani.

>
> Signed-off-by: Ankit Nautiyal <[email protected]>
> ---
>  drivers/gpu/drm/i915/display/intel_display.c         | 9 ++++++---
>  drivers/gpu/drm/i915/display/intel_display_debugfs.c | 2 +-
>  drivers/gpu/drm/i915/display/intel_display_device.h  | 2 ++
>  drivers/gpu/drm/i915/display/intel_dp.c              | 2 +-
>  4 files changed, 10 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
> b/drivers/gpu/drm/i915/display/intel_display.c
> index fdf244a32b24..d4a371edfcdd 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -1712,7 +1712,7 @@ static void hsw_crtc_enable(struct intel_atomic_state 
> *state,
>  
>               intel_dsc_enable(pipe_crtc_state);
>  
> -             if (DISPLAY_VER(dev_priv) >= 13)
> +             if (HAS_UNCOMPRESSED_JOINER(dev_priv))
>                       intel_uncompressed_joiner_enable(pipe_crtc_state);
>  
>               intel_set_pipe_src_size(pipe_crtc_state);
> @@ -3546,6 +3546,9 @@ static void enabled_joiner_pipes(struct 
> drm_i915_private *dev_priv,
>       *primary_pipes = 0;
>       *secondary_pipes = 0;
>  
> +     if (!HAS_BIGJOINER(dev_priv))
> +             return;
> +
>       for_each_intel_crtc_in_pipe_mask(&dev_priv->drm, crtc,
>                                        joiner_pipes(dev_priv)) {
>               enum intel_display_power_domain power_domain;
> @@ -3565,7 +3568,7 @@ static void enabled_joiner_pipes(struct 
> drm_i915_private *dev_priv,
>                               *secondary_pipes |= BIT(pipe);
>               }
>  
> -             if (DISPLAY_VER(dev_priv) < 13)
> +             if (!HAS_UNCOMPRESSED_JOINER(dev_priv))
>                       continue;
>  
>               power_domain = POWER_DOMAIN_PIPE(pipe);
> @@ -7966,7 +7969,7 @@ static int max_dotclock(struct drm_i915_private *i915)
>       int max_dotclock = i915->display.cdclk.max_dotclk_freq;
>  
>       /* icl+ might use joiner */
> -     if (DISPLAY_VER(i915) >= 11)
> +     if (HAS_BIGJOINER(i915))
>               max_dotclock *= 2;
>  
>       return max_dotclock;
> diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c 
> b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> index b75361e95e97..8caacdd624bd 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> @@ -1550,7 +1550,7 @@ void intel_connector_debugfs_add(struct intel_connector 
> *connector)
>                                   connector, &i915_dsc_fractional_bpp_fops);
>       }
>  
> -     if (DISPLAY_VER(i915) >= 11 &&
> +     if (HAS_BIGJOINER(i915) &&
>           (connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
>            connector_type == DRM_MODE_CONNECTOR_eDP)) {
>               debugfs_create_bool("i915_bigjoiner_force_enable", 0644, root,
> diff --git a/drivers/gpu/drm/i915/display/intel_display_device.h 
> b/drivers/gpu/drm/i915/display/intel_display_device.h
> index dfb0c8bf5ca2..5306bbd13e59 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_device.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_device.h
> @@ -118,6 +118,7 @@ enum intel_display_subplatform {
>  
>  #define HAS_4TILE(i915)                      (IS_DG2(i915) || 
> DISPLAY_VER(i915) >= 14)
>  #define HAS_ASYNC_FLIPS(i915)                (DISPLAY_VER(i915) >= 5)
> +#define HAS_BIGJOINER(i915)          (DISPLAY_VER(i915) >= 11)
>  #define HAS_CDCLK_CRAWL(i915)                
> (DISPLAY_INFO(i915)->has_cdclk_crawl)
>  #define HAS_CDCLK_SQUASH(i915)               
> (DISPLAY_INFO(i915)->has_cdclk_squash)
>  #define HAS_CUR_FBC(i915)            (!HAS_GMCH(i915) && 
> IS_DISPLAY_VER(i915, 7, 13))
> @@ -152,6 +153,7 @@ enum intel_display_subplatform {
>  #define HAS_SAGV(i915)                       (DISPLAY_VER(i915) >= 9 && 
> !IS_LP(i915))
>  #define HAS_TRANSCODER(i915, trans)  
> ((DISPLAY_RUNTIME_INFO(i915)->cpu_transcoder_mask & \
>                                         BIT(trans)) != 0)
> +#define HAS_UNCOMPRESSED_JOINER(i915)        (DISPLAY_VER(i915) >= 13)
>  #define HAS_VRR(i915)                        (DISPLAY_VER(i915) >= 11)
>  #define HAS_AS_SDP(i915)             (DISPLAY_VER(i915) >= 13)
>  #define HAS_CMRR(i915)                       (DISPLAY_VER(i915) >= 20)
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c 
> b/drivers/gpu/drm/i915/display/intel_dp.c
> index cb0f6db5f8e7..c53eb8e165de 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -2520,7 +2520,7 @@ bool intel_dp_joiner_needs_dsc(struct drm_i915_private 
> *i915, bool use_joiner)
>        * limitation. DG2 onwards pipe joiner can be enabled without
>        * compression.
>        */
> -     return DISPLAY_VER(i915) < 13 && use_joiner;
> +     return !HAS_UNCOMPRESSED_JOINER(i915) && use_joiner;
>  }
>  
>  static int

-- 
Jani Nikula, Intel

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