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drm/i915: Use mode_config->cursor_width for cursor DDB allocation

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Replace the hardcoded 256 with mode_config->cursor_width
when doing the cursor DDB allocation. Currently 256 is correct
for all SKL+, but this might change in the future. One less place
to change should that happen.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20251107181126.5743-8-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2025-11-07 20:11:24 +02:00
parent 608a7d3f21
commit 3107fc6307
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/display/skl_watermark.c
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@ -635,6 +635,7 @@ skl_cursor_allocation(const struct intel_crtc_state *crtc_state,
{
struct intel_display *display = to_intel_display(crtc_state);
struct intel_plane *plane = to_intel_plane(crtc_state->uapi.crtc->cursor);
const struct drm_mode_config *mode_config = &display->drm->mode_config;
const struct drm_format_info *info;
struct skl_wm_level wm = {};
int ret, min_ddb_alloc = 0;
@ -648,7 +649,7 @@ skl_cursor_allocation(const struct intel_crtc_state *crtc_state,
info = drm_get_format_info(display->drm, format, modifier);
ret = skl_compute_wm_params(crtc_state, 256,
ret = skl_compute_wm_params(crtc_state, mode_config->cursor_width,
info, modifier, DRM_MODE_ROTATE_0,
crtc_state->pixel_rate, &wp, 0, 0);
drm_WARN_ON(display->drm, ret);