This patch fixes a kernel taint on non DSC DP monitors.
Fixes: 48b8b04c7 ("drm/i915/display: Enable DP Display Audio WA")
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/1750
Signed-off-by: Uma Shankar <uma.shan...@intel.com>
---
drivers/gpu/drm/i915/display/intel_audio.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_audio.c
b/drivers/gpu/drm/i915/display/intel_audio.c
index 2663e71059af..0ff7c3f07fa5 100644
--- a/drivers/gpu/drm/i915/display/intel_audio.c
+++ b/drivers/gpu/drm/i915/display/intel_audio.c
@@ -606,7 +606,7 @@ static void enable_audio_dsc_wa(struct intel_encoder
*encoder,
h_active = crtc_state->hw.adjusted_mode.hdisplay;
if (!(h_active && crtc_state->port_clock && crtc_state->lane_count &&
- crtc_state->dsc.compressed_bpp && i915->cdclk.hw.cdclk)) {
+ i915->cdclk.hw.cdclk)) {
drm_err(&i915->drm, "Null Params rcvd for hblank early
enabling\n");
WARN_ON(1);
return;
@@ -620,8 +620,9 @@ static void enable_audio_dsc_wa(struct intel_encoder
*encoder,
val |= HBLANK_EARLY_ENABLE_TGL(pipe);
if (crtc_state->dsc.compression_enable &&
+ crtc_state->dsc.compressed_bpp &&
(crtc_state->hw.adjusted_mode.hdisplay >= 3840 &&
- crtc_state->hw.adjusted_mode.vdisplay >= 2160)) {
+ crtc_state->hw.adjusted_mode.vdisplay >= 2160)) {
/* Get hblank early enable value required */
hblank_early_prog = get_hblank_early_enable_config(encoder,
crtc_state);
--
2.22.0
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