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drm/amd/display: Power on VPG memory unconditionally if off

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[WHY&HOW]
Even if memory lower power feature policy states that it is disabled,
VPG memory should still be poweerd on if it is currently disabled when
requested.

Reviewed-by: Chris Park <chris.park@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dillon Varone
2024-03-04 14:38:04 -05:00
committed by Alex Deucher
parent 052af44ffa
commit 7cc9196675
1 changed files with 6 additions and 1 deletions
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drivers/gpu/drm/amd/display/dc/dcn31/dcn31_vpg.c
+6 -1
View File
@@ -63,7 +63,12 @@ void vpg31_poweron(struct vpg *vpg)
{
struct dcn31_vpg *vpg31 = DCN31_VPG_FROM_VPG(vpg);
if (vpg->ctx->dc->debug.enable_mem_low_power.bits.vpg == false)
uint32_t vpg_gsp_mem_pwr_state;
REG_GET(VPG_MEM_PWR, VPG_GSP_MEM_PWR_STATE, &vpg_gsp_mem_pwr_state);
if (vpg->ctx->dc->debug.enable_mem_low_power.bits.vpg == false &&
vpg_gsp_mem_pwr_state == 0)
return;
REG_UPDATE_2(VPG_MEM_PWR, VPG_GSP_MEM_LIGHT_SLEEP_DIS, 1, VPG_GSP_LIGHT_SLEEP_FORCE, 0);