[Intel-gfx] [PATCH] drm/i915/dp: Fix link compute m_n calc for DSC

Manasi Navare manasi.d.navare at intel.com
Sat Dec 1 01:04:12 UTC 2018


Fix the intel_link_compute_m_n in case of display stream
compression. This patch passes the compressed_bpp to
intel_link_compute_m_n if compression is enabled.

Fixes: a4a157777c80 ("drm/i915/dp: Compute DSC pipe config in atomic check")
Cc: Ville Syrjala <ville.syrjala at linux.intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa at intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare at intel.com>
---
 drivers/gpu/drm/i915/intel_dp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 38a6e82153fd..a6907a1761ab 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2173,7 +2173,7 @@ intel_dp_compute_config(struct intel_encoder *encoder,
 				       &pipe_config->dp_m_n,
 				       constant_n);
 	else
-		intel_link_compute_m_n(pipe_config->dsc_params.compression_enable,
+		intel_link_compute_m_n(pipe_config->dsc_params.compressed_bpp,
 				       pipe_config->lane_count,
 				       adjusted_mode->crtc_clock,
 				       pipe_config->port_clock,
-- 
2.19.1



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