[PATCH 36/53] drm/amd/display: add NAVI14 in resource construct

Alex Deucher alexdeucher at gmail.com
Tue Jul 2 20:28:27 UTC 2019


From: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>

Change the pipes to 5 if the asic is nv14

This is a temp patch, there was some refactor in the dml part of the code.
which is not in this branch. for now this is good, we can implement this
properly once we have an updated branch.

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 .../drm/amd/display/dc/dcn20/dcn20_resource.c | 23 +++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index fa4f378efe5b..c3911501a2c0 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -693,6 +693,16 @@ static const struct dc_plane_cap plane_cap = {
 			.fp16 = 1
 	}
 };
+static const struct resource_caps res_cap_nv14 = {
+		.num_timing_generator = 5,
+		.num_opp = 5,
+		.num_video_plane = 5,
+		.num_audio = 6,
+		.num_stream_encoder = 5,
+		.num_pll = 5,
+		.num_dwb = 1,
+		.num_ddc = 5,
+};
 
 static const struct dc_debug_options debug_defaults_drv = {
 		.disable_dmcu = true,
@@ -2866,17 +2876,22 @@ static bool construct(
 	struct irq_service_init_data init_data;
 
 	ctx->dc_bios->regs = &bios_regs;
-
-	pool->base.res_cap = &res_cap_nv10;
 	pool->base.funcs = &dcn20_res_pool_funcs;
 
+	if (ASICREV_IS_NAVI14_M(ctx->asic_id.hw_internal_rev)) {
+		pool->base.res_cap = &res_cap_nv14;
+		pool->base.pipe_count = 5;
+		pool->base.mpcc_count = 5;
+	} else {
+		pool->base.res_cap = &res_cap_nv10;
+		pool->base.pipe_count = 6;
+		pool->base.mpcc_count = 6;
+	}
 	/*************************************************
 	 *  Resource + asic cap harcoding                *
 	 *************************************************/
 	pool->base.underlay_pipe_index = NO_UNDERLAY_PIPE;
 
-	pool->base.pipe_count = 6;
-	pool->base.mpcc_count = 6;
 	dc->caps.max_downscale_ratio = 200;
 	dc->caps.i2c_speed_in_khz = 100;
 	dc->caps.max_cursor_size = 256;
-- 
2.20.1



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