From: venkata.sai.patnana@intel.com
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH v6 2/2] drm/i915/display/dsc: Set BPP in the kernel
Date: Mon, 5 Jul 2021 11:38:40 +0530 [thread overview]
Message-ID: <20210705060840.25030-3-venkata.sai.patnana@intel.com> (raw)
In-Reply-To: <20210705060840.25030-1-venkata.sai.patnana@intel.com>
From: Anusha Srivatsa <anusha.srivatsa@intel.com>
Set compress BPP in kernel while connector DP or eDP
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Navare Manasi D <manasi.d.navare@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Patnana Venkata Sai <venkata.sai.patnana@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 23 ++++++++++++++++++-----
1 file changed, 18 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 5b52beaddada0..4ce15da3e33ce 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1241,9 +1241,15 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
pipe_config->lane_count = limits->max_lane_count;
if (intel_dp_is_edp(intel_dp)) {
- pipe_config->dsc.compressed_bpp =
- min_t(u16, drm_edp_dsc_sink_output_bpp(intel_dp->dsc_dpcd) >> 4,
- pipe_config->pipe_bpp);
+ if (intel_dp->force_dsc_bpp) {
+ drm_dbg_kms(&dev_priv->drm,
+ "DSC BPP forced to %d", intel_dp->force_dsc_bpp);
+ pipe_config->dsc.compressed_bpp = intel_dp->force_dsc_bpp;
+ } else {
+ pipe_config->dsc.compressed_bpp =
+ min_t(u16, drm_edp_dsc_sink_output_bpp(intel_dp->dsc_dpcd) >> 4,
+ pipe_config->pipe_bpp);
+ }
pipe_config->dsc.slice_count =
drm_dp_dsc_sink_max_slice_count(intel_dp->dsc_dpcd,
true);
@@ -1269,9 +1275,15 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
"Compressed BPP/Slice Count not supported\n");
return -EINVAL;
}
- pipe_config->dsc.compressed_bpp = min_t(u16,
+ if (intel_dp->force_dsc_bpp) {
+ drm_dbg_kms(&dev_priv->drm,
+ "DSC BPP forced to %d\n", intel_dp->force_dsc_bpp);
+ pipe_config->dsc.compressed_bpp = intel_dp->force_dsc_bpp;
+ } else {
+ pipe_config->dsc.compressed_bpp = min_t(u16,
dsc_max_output_bpp >> 4,
pipe_config->pipe_bpp);
+ }
pipe_config->dsc.slice_count = dsc_dp_slice_count;
}
/*
@@ -1374,7 +1386,8 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
* Pipe joiner needs compression upto display12 due to BW limitation. DG2
* onwards pipe joiner can be enabled without compression.
*/
- drm_dbg_kms(&i915->drm, "Force DSC en = %d\n", intel_dp->force_dsc_en);
+ drm_dbg_kms(&i915->drm, "Force DSC en = %d\n Force DSC BPP = %d\n",
+ intel_dp->force_dsc_en, intel_dp->force_dsc_bpp);
if (ret || intel_dp->force_dsc_en || (DISPLAY_VER(i915) < 13 &&
pipe_config->bigjoiner)) {
ret = intel_dp_dsc_compute_config(intel_dp, pipe_config,
--
2.25.1
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next prev parent reply other threads:[~2021-07-05 6:19 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-05 6:08 [Intel-gfx] [PATCH v6 0/2] drm/i915/display/dsc: Set BPP in the kernel venkata.sai.patnana
2021-07-05 6:08 ` [Intel-gfx] [PATCH v6 /2] drm/i915/display/dsc: Add Per connector debugfs node for DSC BPP enable venkata.sai.patnana
2021-07-05 6:08 ` venkata.sai.patnana [this message]
2021-07-05 6:27 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for " Patchwork
2021-07-05 6:28 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2021-07-05 6:58 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2021-07-05 7:23 ` Patchwork
2021-07-05 9:41 [Intel-gfx] [PATCH v6 0/2] drm/i915/display/dsc: Set BPP in the kernel venkata.sai.patnana
2021-07-05 9:42 ` [Intel-gfx] [PATCH v6 2/2] " venkata.sai.patnana
2021-07-05 17:51 ` Jani Nikula
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