[PATCH 11/33] drm/amd/display: call remove_stream_from_ctx from res_pool funcs
Qingqing Zhuo
qingqing.zhuo at amd.com
Fri Mar 3 15:40:00 UTC 2023
From: Harry Wentland <harry.wentland at amd.com>
[Why & How]
DM should never use a non-interface function to call into
DC. The original code is incorrect on ASICs that don't
use DCN20's remove_stream_from_ctx function.
Reviewed-by: Aurabindo Pillai <Aurabindo.Pillai at amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo at amd.com>
Signed-off-by: Harry Wentland <harry.wentland at amd.com>
---
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git 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
index 1579c2839ce3..248f25943748 100644
--- 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
@@ -1153,6 +1153,7 @@ int compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
bool computed_streams[MAX_PIPES];
struct amdgpu_dm_connector *aconnector;
struct drm_dp_mst_topology_mgr *mst_mgr;
+ struct resource_pool *res_pool;
int link_vars_start_index = 0;
int ret = 0;
@@ -1161,6 +1162,7 @@ int compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
for (i = 0; i < dc_state->stream_count; i++) {
stream = dc_state->streams[i];
+ res_pool = stream->ctx->dc->res_pool;
if (stream->signal != SIGNAL_TYPE_DISPLAY_PORT_MST)
continue;
@@ -1176,7 +1178,8 @@ int compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
if (computed_streams[i])
continue;
- if (dcn20_remove_stream_from_ctx(stream->ctx->dc, dc_state, stream) != DC_OK)
+ if (!res_pool->funcs->remove_stream_from_ctx ||
+ res_pool->funcs->remove_stream_from_ctx(stream->ctx->dc, dc_state, stream) != DC_OK)
return -EINVAL;
if (!is_dsc_need_re_compute(state, dc_state, stream->link))
@@ -1214,6 +1217,7 @@ static int pre_compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
bool computed_streams[MAX_PIPES];
struct amdgpu_dm_connector *aconnector;
struct drm_dp_mst_topology_mgr *mst_mgr;
+ struct resource_pool *res_pool;
int link_vars_start_index = 0;
int ret = 0;
@@ -1222,6 +1226,7 @@ static int pre_compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
for (i = 0; i < dc_state->stream_count; i++) {
stream = dc_state->streams[i];
+ res_pool = stream->ctx->dc->res_pool;
if (stream->signal != SIGNAL_TYPE_DISPLAY_PORT_MST)
continue;
--
2.34.1
More information about the amd-gfx
mailing list