[Description]
- Enabling SubVP on high refresh rate displays had a side effect
of also enabling on high bandwidth displays such as 8K60
- However, these are not validated and should be blocked for
the time being
- Block SubVP on displays that have pix rate > 1800Mhz (includes
8K60 displays)
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Reviewed-by: Nevenko Stupar <Nevenko.Stupar@amd.com>
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
#define DCN3_2_DCFCLK_DS_INIT_KHZ 10000 // Choose 10Mhz for init DCFCLK DS freq
#define DCN3_2_MIN_ACTIVE_SWITCH_MARGIN_FPO_US 100 // Only allow FPO + Vactive if active margin >= 100
#define SUBVP_HIGH_REFRESH_LIST_LEN 3
+#define DCN3_2_MAX_SUBVP_PIXEL_RATE_MHZ 1800
#define TO_DCN32_RES_POOL(pool)\
container_of(pool, struct dcn32_resource_pool, base)
* - Not TMZ surface
*/
if (pipe->plane_state && !pipe->top_pipe && !dcn32_is_center_timing(pipe) &&
+ !(pipe->stream->timing.pix_clk_100hz / 10000 > DCN3_2_MAX_SUBVP_PIXEL_RATE_MHZ) &&
(!dcn32_is_psr_capable(pipe) || (context->stream_count == 1 && dc->caps.dmub_caps.subvp_psr)) &&
pipe->stream->mall_stream_config.type == SUBVP_NONE &&
(refresh_rate < 120 || dcn32_allow_subvp_high_refresh_rate(dc, context, pipe)) &&