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FROMLIST: drm/msm/dpu: request for display color blocks based on hw catalog entry

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Request for color processing blocks only if they are
available in the display hw catalog and they are
sufficient in number for the selection.

Signed-off-by: Kalyan Thota <kalyan_t@codeaurora.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Link: https://lore.kernel.org/lkml/1591942957-18410-1-git-send-email-mkrishn@codeaurora.org/
Change-Id: I755bdf08bd0033522931244c130dde1bfbeb0d9d
This commit is contained in:
Kalyan Thota
2020-06-11 18:25:15 +05:30
committed by John Stultz
parent 1e253d0563
commit 276b324986
1 changed files with 8 additions and 4 deletions
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12
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
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@@ -521,7 +521,7 @@ static struct msm_display_topology dpu_encoder_get_topology(
struct dpu_kms *dpu_kms,
struct drm_display_mode *mode)
{
struct msm_display_topology topology;
struct msm_display_topology topology = {0};
int i, intf_count = 0;
for (i = 0; i < MAX_PHYS_ENCODERS_PER_VIRTUAL; i++)
@@ -537,7 +537,8 @@ static struct msm_display_topology dpu_encoder_get_topology(
* 1 LM, 1 INTF
* 2 LM, 1 INTF (stream merge to support high resolution interfaces)
*
* Adding color blocks only to primary interface
* Adding color blocks only to primary interface if available in
* sufficient number
*/
if (intf_count == 2)
topology.num_lm = 2;
@@ -546,8 +547,11 @@ static struct msm_display_topology dpu_encoder_get_topology(
else
topology.num_lm = (mode->hdisplay > MAX_HDISPLAY_SPLIT) ? 2 : 1;
if (dpu_enc->disp_info.intf_type == DRM_MODE_ENCODER_DSI)
topology.num_dspp = topology.num_lm;
if (dpu_enc->disp_info.intf_type == DRM_MODE_ENCODER_DSI) {
if (dpu_kms->catalog->dspp &&
(dpu_kms->catalog->dspp_count >= topology.num_lm))
topology.num_dspp = topology.num_lm;
}
topology.num_enc = 0;
topology.num_intf = intf_count;