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drm/amd/display: add MPC MCM 1D LUT clock gating programming

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Missing clock gating programming blocks memory power on from boot up.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Chris Park <chris.park@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Yihan Zhu <yihan.zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yihan Zhu 2023-12-01 06:25:17 -07:00 committed by Alex Deucher
parent 21afc872fb
commit cfa96a14e8
2 changed files with 3 additions and 2 deletions
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3
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c
View File

@ -71,12 +71,13 @@ void mpc32_power_on_blnd_lut(
{
struct dcn30_mpc *mpc30 = TO_DCN30_MPC(mpc);
REG_SET(MPCC_MCM_MEM_PWR_CTRL[mpcc_id], 0, MPCC_MCM_1DLUT_MEM_PWR_DIS, power_on);
if (mpc->ctx->dc->debug.enable_mem_low_power.bits.cm) {
if (power_on) {
REG_UPDATE(MPCC_MCM_MEM_PWR_CTRL[mpcc_id], MPCC_MCM_1DLUT_MEM_PWR_FORCE, 0);
REG_WAIT(MPCC_MCM_MEM_PWR_CTRL[mpcc_id], MPCC_MCM_1DLUT_MEM_PWR_STATE, 0, 1, 5);
} else if (!mpc->ctx->dc->debug.disable_mem_low_power) {
ASSERT(false);
/* TODO: change to mpc
* dpp_base->ctx->dc->optimized_required = true;
* dpp_base->deferred_reg_writes.bits.disable_blnd_lut = true;

2
drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
View File

@ -736,7 +736,7 @@ static const struct dc_debug_options debug_defaults_drv = {
.i2c = true,
.dmcu = false, // This is previously known to cause hang on S3 cycles if enabled
.dscl = true,
.cm = false,
.cm = true,
.mpc = true,
.optc = true,
.vpg = true,