This is a note to let you know that I've just added the patch titled
drm/amd/display: use max_dsc_bpp in amdgpu_dm
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amd-display-use-max_dsc_bpp-in-amdgpu_dm.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From stable-owner@xxxxxxxxxxxxxxx Tue Jul 25 00:26:52 2023
From: Mario Limonciello <mario.limonciello@xxxxxxx>
Date: Mon, 24 Jul 2023 17:26:32 -0500
Subject: drm/amd/display: use max_dsc_bpp in amdgpu_dm
To: <stable@xxxxxxxxxxxxxxx>
Cc: Mario Limonciello <mario.limonciello@xxxxxxx>
Message-ID: <20230724222638.1477-2-mario.limonciello@xxxxxxx>
From: Hamza Mahfooz <hamza.mahfooz@xxxxxxx>
commit 6e5abe94c6eb9b281398e39819217e8fdd1c336f upstream.
Since, the quirk is handled in the DRM core now, we can use that value
instead of the internal value.
Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 6 ++----
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 11 +++++++++--
2 files changed, 11 insertions(+), 6 deletions(-)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -5714,16 +5714,14 @@ static void apply_dsc_policy_for_stream(
{
struct drm_connector *drm_connector = &aconnector->base;
uint32_t link_bandwidth_kbps;
- uint32_t max_dsc_target_bpp_limit_override = 0;
struct dc *dc = sink->ctx->dc;
uint32_t max_supported_bw_in_kbps, timing_bw_in_kbps;
uint32_t dsc_max_supported_bw_in_kbps;
+ uint32_t max_dsc_target_bpp_limit_override =
+ drm_connector->display_info.max_dsc_bpp;
link_bandwidth_kbps = dc_link_bandwidth_kbps(aconnector->dc_link,
dc_link_get_link_cap(aconnector->dc_link));
- if (stream->link && stream->link->local_sink)
- max_dsc_target_bpp_limit_override =
- stream->link->local_sink->edid_caps.panel_patch.max_dsc_target_bpp_limit;
/* Set DSC policy according to dsc_clock_en */
dc_dsc_policy_set_enable_dsc_when_not_needed(
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -673,15 +673,18 @@ static void set_dsc_configs_from_fairnes
int count,
int k)
{
+ struct drm_connector *drm_connector;
int i;
for (i = 0; i < count; i++) {
+ drm_connector = ¶ms[i].aconnector->base;
+
memset(¶ms[i].timing->dsc_cfg, 0, sizeof(params[i].timing->dsc_cfg));
if (vars[i + k].dsc_enabled && dc_dsc_compute_config(
params[i].sink->ctx->dc->res_pool->dscs[0],
¶ms[i].sink->dsc_caps.dsc_dec_caps,
params[i].sink->ctx->dc->debug.dsc_min_slice_height_override,
- params[i].sink->edid_caps.panel_patch.max_dsc_target_bpp_limit,
+ drm_connector->display_info.max_dsc_bpp,
0,
params[i].timing,
¶ms[i].timing->dsc_cfg)) {
@@ -723,12 +726,16 @@ static int bpp_x16_from_pbn(struct dsc_m
struct dc_dsc_config dsc_config;
u64 kbps;
+ struct drm_connector *drm_connector = ¶m.aconnector->base;
+ uint32_t max_dsc_target_bpp_limit_override =
+ drm_connector->display_info.max_dsc_bpp;
+
kbps = div_u64((u64)pbn * 994 * 8 * 54, 64);
dc_dsc_compute_config(
param.sink->ctx->dc->res_pool->dscs[0],
¶m.sink->dsc_caps.dsc_dec_caps,
param.sink->ctx->dc->debug.dsc_min_slice_height_override,
- param.sink->edid_caps.panel_patch.max_dsc_target_bpp_limit,
+ max_dsc_target_bpp_limit_override,
(int) kbps, param.timing, &dsc_config);
return dsc_config.bits_per_pixel;
Patches currently in stable-queue which might be from stable-owner@xxxxxxxxxxxxxxx are
queue-6.1/bpf-aggressively-forget-precise-markings-during-state-checkpointing.patch
queue-6.1/selftests-bpf-fix-sk_assign-on-s390x.patch
queue-6.1/bpf-stop-setting-precise-in-current-state.patch
queue-6.1/drm-amd-display-use-max_dsc_bpp-in-amdgpu_dm.patch
queue-6.1/drm-amd-display-fix-linux-dp-link-lost-handled-only-one-time.patch
queue-6.1/drm-dp_mst-clear-msg_rdy-flag-before-sending-new-message.patch
queue-6.1/bpf-allow-precision-tracking-for-programs-with-subprogs.patch
queue-6.1/drm-amd-display-fix-some-coding-style-issues.patch
queue-6.1/drm-amd-display-add-polling-method-to-handle-mst-reply-packet.patch
queue-6.1/selftests-bpf-make-test_align-selftest-more-robust.patch
queue-6.1/drm-amd-display-force-connector-state-when-bpc-changes-during-compliance.patch
queue-6.1/drm-amd-display-clean-up-errors-warnings-in-amdgpu_dm.c.patch
queue-6.1/selftests-bpf-workaround-verification-failure-for-fexit_bpf2bpf-func_replace_return_code.patch
