From: Austin Zheng <Austin.Zheng@xxxxxxx>
Early return possible if context has no clk_mgr.
This will lead to an invalid power profile being returned
which looks identical to a profile with the lowest power level.
Add back logic that populated the power profile and overwrite
the value if needed.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: fc8c959496fa ("drm/amd/display: Update Interface to Check UCLK DPM")
Reviewed-by: Dillon Varone <dillon.varone@xxxxxxx>
Signed-off-by: Austin Zheng <Austin.Zheng@xxxxxxx>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 0c1875d35a95..1dd26d5df6b9 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -6100,11 +6100,11 @@ struct dc_power_profile dc_get_power_profile_for_dc_state(const struct dc_state
{
struct dc_power_profile profile = { 0 };
- if (!context || !context->clk_mgr || !context->clk_mgr->ctx || !context->clk_mgr->ctx->dc)
+ profile.power_level = !context->bw_ctx.bw.dcn.clk.p_state_change_support;
+ if (!context->clk_mgr || !context->clk_mgr->ctx || !context->clk_mgr->ctx->dc)
return profile;
struct dc *dc = context->clk_mgr->ctx->dc;
-
if (dc->res_pool->funcs->get_power_profile)
profile.power_level = dc->res_pool->funcs->get_power_profile(context);
return profile;
--
2.46.1
