From: Zhan liu <zhan.liu@amd.com>
Date: Mon, 2 Dec 2019 20:12:27 +0000 (-0500)
Subject: drm/amd/display: Get NV14 specific ip params as needed
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=30c517736e1a31a3edcdbfc791c83bc565d437ca;p=linux.git

drm/amd/display: Get NV14 specific ip params as needed

[Why]
NV14 is using its own ip params that's different from other
DCN2.0 ASICs.

[How]
Add ASIC revision check to make sure NV14 gets correct
ip params.

Signed-off-by: Zhan Liu <zhan.liu@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

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 300a6392a1f0a..09793336d84f6 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -3282,6 +3282,10 @@ static struct _vcs_dpi_soc_bounding_box_st *get_asic_rev_soc_bb(
 static struct _vcs_dpi_ip_params_st *get_asic_rev_ip_params(
 	uint32_t hw_internal_rev)
 {
+	/* NV14 */
+	if (ASICREV_IS_NAVI14_M(hw_internal_rev))
+		return &dcn2_0_nv14_ip;
+
 	/* NV12 and NV10 */
 	return &dcn2_0_ip;
 }