This is a note to let you know that I've just added the patch titled drm/amd/display: Enable P-state validation checks for DCN314 to the 6.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-amd-display-enable-p-state-validation-checks-for.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 8a4ccc30c3763b9c841f8b1d5524428dcf3c8471 Author: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx> Date: Fri Jan 27 10:03:45 2023 -0500 drm/amd/display: Enable P-state validation checks for DCN314 [ Upstream commit 37d184b548db0f64d4a878960b2c6988b38a3e7e ] [Why] To align with DCN31 behavior. This helps avoid p-state hangs in the case where underflow does occur. [How] Flip the bit to true. Reviewed-by: Hansen Dsouza <hansen.dsouza@xxxxxxx> Acked-by: Qingqing Zhuo <qingqing.zhuo@xxxxxxx> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx> Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c index c80c8c8f51e97..5985ce8df4e08 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c @@ -897,7 +897,7 @@ static const struct dc_debug_options debug_defaults_drv = { .max_downscale_src_width = 4096,/*upto true 4k*/ .disable_pplib_wm_range = false, .scl_reset_length10 = true, - .sanity_checks = false, + .sanity_checks = true, .underflow_assert_delay_us = 0xFFFFFFFF, .dwb_fi_phase = -1, // -1 = disable, .dmub_command_table = true,