github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-27 16:44:58 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/i915: Update plane ratio for icl+

Browse Source 
According to bspec icl+ no longer need any extra cdclk guardband
for 64bpp formats. Make it so.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210330162416.18616-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2021-03-30 19:24:16 +03:00
parent efc52308c6
commit 6195f8502d
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/drm/i915/display/skl_universal_plane.c
View File

@ -286,6 +286,15 @@ bool icl_is_hdr_plane(struct drm_i915_private *dev_priv, enum plane_id plane_id)
icl_hdr_plane_mask() & BIT(plane_id);
}
static int icl_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
unsigned int pixel_rate = intel_plane_pixel_rate(crtc_state, plane_state);
/* two pixels per clock */
return DIV_ROUND_UP(pixel_rate, 2);
}
static void
glk_plane_ratio(const struct intel_plane_state *plane_state,
unsigned int *num, unsigned int *den)
@ -1980,7 +1989,7 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv,
plane->min_width = icl_plane_min_width;
plane->max_width = icl_plane_max_width;
plane->max_height = icl_plane_max_height;
plane->min_cdclk = glk_plane_min_cdclk;
plane->min_cdclk = icl_plane_min_cdclk;
} else if (DISPLAY_VER(dev_priv) >= 10) {
plane->max_width = glk_plane_max_width;
plane->max_height = skl_plane_max_height;