drm/amd/display: Cache cursor when cursor exceeds 64x64

[Why]
When Static screen from MALL, the cursor needs to be
cached if cursor exceeds 64x64 size.

[How]
Program the bit that cache cursor in MALL when size
of the cursor exceeds 64x64.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Chris Park <chris.park@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

4 files changed, 11 insertions, 6 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubp.c
index 3176b04a7740..6ec1c52535b9 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubp.c
@@ -47,13 +47,13 @@ void hubp32_update_force_pstate_disallow(struct hubp *hubp, bool pstate_disallow
 			DATA_UCLK_PSTATE_FORCE_VALUE, 0);
 }
 
-void hubp32_update_mall_sel(struct hubp *hubp, uint32_t mall_sel)
+void hubp32_update_mall_sel(struct hubp *hubp, uint32_t mall_sel, bool c_cursor)
 {
 	struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
 
 	// Also cache cursor in MALL if using MALL for SS
 	REG_UPDATE_2(DCHUBP_MALL_CONFIG, USE_MALL_SEL, mall_sel,
-			USE_MALL_FOR_CURSOR, mall_sel == 2 ? 1 : 0);
+			USE_MALL_FOR_CURSOR, c_cursor);
 }
 
 void hubp32_prepare_subvp_buffering(struct hubp *hubp, bool enable)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubp.h b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubp.h
index c4315d50fbb0..56ef71151536 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubp.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubp.h
@@ -52,7 +52,7 @@
 
 void hubp32_update_force_pstate_disallow(struct hubp *hubp, bool pstate_disallow);
 
-void hubp32_update_mall_sel(struct hubp *hubp, uint32_t mall_sel);
+void hubp32_update_mall_sel(struct hubp *hubp, uint32_t mall_sel, bool c_cursor);
 
 void hubp32_prepare_subvp_buffering(struct hubp *hubp, bool enable);
 
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
index bf9ac9dfc7dd..1f845e9ac406 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
@@ -670,18 +670,23 @@ void dcn32_update_mall_sel(struct dc *dc, struct dc_state *context)
 {
 	int i;
 	unsigned int num_ways = dcn32_calculate_cab_allocation(dc, context);
+	bool cache_cursor = false;
 
 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
 		struct hubp *hubp = pipe->plane_res.hubp;
 
 		if (pipe->stream && pipe->plane_state && hubp && hubp->funcs->hubp_update_mall_sel) {
+			if (hubp->curs_attr.width * hubp->curs_attr.height * 4 > 16384)
+				cache_cursor = true;
+
 			if (pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
-					hubp->funcs->hubp_update_mall_sel(hubp, 1);
+					hubp->funcs->hubp_update_mall_sel(hubp, 1, false);
 			} else {
 				hubp->funcs->hubp_update_mall_sel(hubp,
 					num_ways <= dc->caps.cache_num_ways &&
-					pipe->stream->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED ? 2 : 0);
+					pipe->stream->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED ? 2 : 0,
+							cache_cursor);
 			}
 		}
 	}
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h b/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h
index 906818e792dd..44c4578193a3 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h
@@ -198,7 +198,7 @@ struct hubp_funcs {
 	void (*hubp_soft_reset)(struct hubp *hubp, bool reset);
 
 	void (*hubp_update_force_pstate_disallow)(struct hubp *hubp, bool allow);
-	void (*hubp_update_mall_sel)(struct hubp *hubp, uint32_t mall_sel);
+	void (*hubp_update_mall_sel)(struct hubp *hubp, uint32_t mall_sel, bool c_cursor);
 	void (*hubp_prepare_subvp_buffering)(struct hubp *hubp, bool enable);
 
 	void (*hubp_set_flip_int)(struct hubp *hubp);