[PATCH 05/36] drm/amd/display: Block SubVP if rotation being used

[Hamza Mahfooz]

From: Alvin Lee <Alvin.Lee2 at amd.com>

[Description]
- SubVP rotation support is not explicitly implemented,
  so block SubVP in rotation cases to avoid unexpected
  behaviors

Reviewed-by: Nevenko Stupar <Nevenko.Stupar at amd.com>
Reviewed-by: Jun Lei <Jun.Lei at amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz at amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2 at amd.com>
---
 .../drm/amd/display/dc/dcn32/dcn32_resource.h   |  2 ++
 .../display/dc/dcn32/dcn32_resource_helpers.c   | 17 +++++++++++++++++
 .../drm/amd/display/dc/dml/dcn32/dcn32_fpu.c    |  3 ++-
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h
index 55945cca2260..a24f538bdc4c 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h
@@ -108,6 +108,8 @@ bool dcn32_subvp_in_use(struct dc *dc,
 
 bool dcn32_mpo_in_use(struct dc_state *context);
 
+bool dcn32_any_surfaces_rotated(struct dc *dc, struct dc_state *context);
+
 struct pipe_ctx *dcn32_acquire_idle_pipe_for_head_pipe_in_layer(
 		struct dc_state *state,
 		const struct resource_pool *pool,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
index a2a70a1572b7..7f318ced5dee 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
@@ -233,6 +233,23 @@ bool dcn32_mpo_in_use(struct dc_state *context)
 	return false;
 }
 
+
+bool dcn32_any_surfaces_rotated(struct dc *dc, struct dc_state *context)
+{
+	uint32_t i;
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+
+		if (!pipe->stream)
+			continue;
+
+		if (pipe->plane_state && pipe->plane_state->rotation != ROTATION_ANGLE_0)
+			return true;
+	}
+	return false;
+}
+
 /**
  * *******************************************************************************************
  * dcn32_determine_det_override: Determine DET allocation for each pipe
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index 0571700f53f9..a56ee04f7df9 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -1115,7 +1115,8 @@ static void dcn32_full_validate_bw_helper(struct dc *dc,
 	 * 5. (Config doesn't support MCLK in VACTIVE/VBLANK || dc->debug.force_subvp_mclk_switch)
 	 */
 	if (!dc->debug.force_disable_subvp && dcn32_all_pipes_have_stream_and_plane(dc, context) &&
-	    !dcn32_mpo_in_use(context) && (*vlevel == context->bw_ctx.dml.soc.num_states ||
+	    !dcn32_mpo_in_use(context) && !dcn32_any_surfaces_rotated(dc, context) &&
+		(*vlevel == context->bw_ctx.dml.soc.num_states ||
 	    vba->DRAMClockChangeSupport[*vlevel][vba->maxMpcComb] == dm_dram_clock_change_unsupported ||
 	    dc->debug.force_subvp_mclk_switch)) {
 
-- 
2.37.2