From b9a2b0944cf77aadbeb82b05c3d1faa472d83778 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jouni=20H=C3=B6gander?= Date: Wed, 2 Nov 2022 19:45:43 +0200 Subject: [PATCH] drm/i915/psr: Ensure panel granularity aligns with DSC slice height MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Do not enable psr2 if panel ganularity is not aligned with DSC slice height when DSC is enabled Cc: José Roberto de Souza Cc: Mika Kahola Signed-off-by: Jouni Högander Reviewed-by: José Roberto de Souza Reviewed-by: Manasi Navare Signed-off-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20221102174544.2288205-2-jouni.hogander@intel.com --- drivers/gpu/drm/i915/display/intel_psr.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index e11b059..57575b5c6 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -779,6 +779,7 @@ static bool psr2_granularity_check(struct intel_dp *intel_dp, struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + const struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config; const int crtc_hdisplay = crtc_state->hw.adjusted_mode.crtc_hdisplay; const int crtc_vdisplay = crtc_state->hw.adjusted_mode.crtc_vdisplay; u16 y_granularity = 0; @@ -809,6 +810,10 @@ static bool psr2_granularity_check(struct intel_dp *intel_dp, if (y_granularity == 0 || crtc_vdisplay % y_granularity) return false; + if (crtc_state->dsc.compression_enable && + vdsc_cfg->slice_height % y_granularity) + return false; + crtc_state->su_y_granularity = y_granularity; return true; } -- 2.7.4