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authorStanislav Lisovskiy <stanislav.lisovskiy@intel.com>2022-06-14 15:30:49 +0300
committerStanislav Lisovskiy <stanislav.lisovskiy@intel.com>2022-07-08 13:21:09 +0300
commit859161b952a453b86362f168fadef72a8ba31a05 (patch)
treec44a1f6873476996399e7a5b2dfb577a273162c4 /drivers/gpu/drm/i915
parent3d9c653cf635849d0c24a1ab17c2752a19f4ded8 (diff)
drm/i915/dg2: Bump up CDCLK for DG2
We seem to need this W/A same way as for TGL, in order to fix some of the underruns, which we currently have and those not related to PSR. Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Reviewed-by: Uma Shankar <uma.shankar@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220614123049.16183-2-stanislav.lisovskiy@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r--drivers/gpu/drm/i915/display/intel_cdclk.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 6e80162632dd..86a22c3766e5 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -2300,7 +2300,7 @@ int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state)
min_cdclk = max(min_cdclk, (int)crtc_state->pixel_rate);
/*
- * HACK. Currently for TGL platforms we calculate
+ * HACK. Currently for TGL/DG2 platforms we calculate
* min_cdclk initially based on pixel_rate divided
* by 2, accounting for also plane requirements,
* however in some cases the lowest possible CDCLK
@@ -2308,7 +2308,7 @@ int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state)
* Explicitly stating here that this seems to be currently
* rather a Hack, than final solution.
*/
- if (IS_TIGERLAKE(dev_priv)) {
+ if (IS_TIGERLAKE(dev_priv) || IS_DG2(dev_priv)) {
/*
* Clamp to max_cdclk_freq in case pixel rate is higher,
* in order not to break an 8K, but still leave W/A at place.