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drm/amd/display: use actual cursor size instead of max for CAB allocation

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[Why&How]
When calculating allocation for cursor size, get the real cursor through
the HUBP instead of using the maximum cursor size for more optimal
allocation

Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Brian Chang <Brian.Chang@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aurabindo Pillai 2022-08-18 17:55:01 -04:00 committed by Alex Deucher
parent 94a82c9e3d
commit 595091c6ba
1 changed files with 14 additions and 1 deletions
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15
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
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@ -295,7 +295,20 @@ static uint32_t dcn32_calculate_cab_allocation(struct dc *dc, struct dc_state *c
}
// Include cursor size for CAB allocation
cursor_size = dc->caps.max_cursor_size * dc->caps.max_cursor_size;
for (i = 0; i < dc->res_pool->pipe_count; i++) {
struct pipe_ctx *pipe = &ctx->res_ctx.pipe_ctx[i];
struct hubp *hubp = pipe->plane_res.hubp;
if (pipe->stream && pipe->plane_state && hubp)
/* Find the cursor plane and use the exact size instead of
* using the max for calculation
*/
if (hubp->curs_attr.width > 0) {
cursor_size = hubp->curs_attr.width * hubp->curs_attr.height;
break;
}
}
switch (stream->cursor_attributes.color_format) {
case CURSOR_MODE_MONO:
cursor_size /= 2;