From: Yihan Zhu <[email protected]> Missing clock gating programming blocks memory power on from boot up.
Reviewed-by: Chris Park <[email protected]> Acked-by: Rodrigo Siqueira <[email protected]> Signed-off-by: Yihan Zhu <[email protected]> --- drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c | 3 ++- drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c index 994b21ed272f..e789e654c387 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c @@ -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; diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c index 1a0ed1c7e2d4..13324422ff50 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c @@ -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, -- 2.42.0
