From: Yihan Zhu Date: Fri, 1 Dec 2023 13:25:17 +0000 (-0700) Subject: drm/amd/display: add MPC MCM 1D LUT clock gating programming X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=cfa96a14e89d8341a7308acc4c6168991d4fdac0;p=linux.git drm/amd/display: add MPC MCM 1D LUT clock gating programming Missing clock gating programming blocks memory power on from boot up. Tested-by: Daniel Wheeler Reviewed-by: Chris Park Acked-by: Rodrigo Siqueira Signed-off-by: Yihan Zhu Signed-off-by: Alex Deucher --- 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 994b21ed272f1..e789e654c3870 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 1a0ed1c7e2d45..13324422ff50e 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,