Merge tag 'amd-drm-next-5.8-2020-04-30' of git://people.freedesktop.org/~agd5f/linux into drm-next

amd-drm-next-5.8-2020-04-30:

amdgpu:
- SR-IOV fixes
- SDMA fix for Navi
- VCN 2.5 DPG fixes
- Display fixes
- Display stuttering fixes for pageflip and cursor
- Add support for handling encrypted GPU memory
- Add UAPI for encrypted GPU memory
- Rework IB pool handling

amdkfd:
- Expose asic revision in topology
- Add UAPI for GWS (Global Wave Sync) resource management

UAPI:
- Add amdgpu UAPI for encrypted GPU memory
  Used by: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4401
- Add amdkfd UAPI for GWS (Global Wave Sync) resource management
  Thunk usage of KFD ioctl: https://github.com/RadeonOpenCompute/ROCT-Thunk-Interface/blob/roc-2.8.0/src/queues.c#L840
  ROCr usage of Thunk API: https://github.com/RadeonOpenCompute/ROCR-Runtime/blob/roc-3.1.0/src/core/runtime/amd_gpu_agent.cpp#L597
  HCC code using ROCr API: https://github.com/RadeonOpenCompute/hcc/blob/98ee9f34945d3b5f572d7a4c15cbffa506487734/lib/hsa/mcwamp_hsa.cpp#L2161
  HIP code using HCC API: https://github.com/ROCm-Developer-Tools/HIP/blob/cf8589b8c8a40ddcc55fa3a51e23390a49824130/src/hip_module.cpp#L567

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200430212951.3902-1-alexander.deucher@amd.com

2 files changed, 28 insertions, 7 deletions

diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
index d47253cdcc4e..9431b48aecb4 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
@@ -1782,7 +1782,8 @@ rgb_user_alloc_fail:
 	return ret;
 }
 
-bool mod_color_calculate_degamma_params(struct dc_transfer_func *input_tf,
+bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps,
+		struct dc_transfer_func *input_tf,
 		const struct dc_gamma *ramp, bool mapUserRamp)
 {
 	struct dc_transfer_func_distributed_points *tf_pts = &input_tf->tf_pts;
@@ -1801,11 +1802,29 @@ bool mod_color_calculate_degamma_params(struct dc_transfer_func *input_tf,
 	/* we can use hardcoded curve for plain SRGB TF
 	 * If linear, it's bypass if on user ramp
 	 */
-	if (input_tf->type == TF_TYPE_PREDEFINED &&
-			(input_tf->tf == TRANSFER_FUNCTION_SRGB ||
-					input_tf->tf == TRANSFER_FUNCTION_LINEAR) &&
-					!mapUserRamp)
-		return true;
+	if (input_tf->type == TF_TYPE_PREDEFINED) {
+		if ((input_tf->tf == TRANSFER_FUNCTION_SRGB ||
+				input_tf->tf == TRANSFER_FUNCTION_LINEAR) &&
+				!mapUserRamp)
+			return true;
+
+		if (dc_caps != NULL &&
+			dc_caps->dpp.dcn_arch == 1) {
+
+			if (input_tf->tf == TRANSFER_FUNCTION_PQ &&
+					dc_caps->dpp.dgam_rom_caps.pq == 1)
+				return true;
+
+			if (input_tf->tf == TRANSFER_FUNCTION_GAMMA22 &&
+					dc_caps->dpp.dgam_rom_caps.gamma2_2 == 1)
+				return true;
+
+			// HLG OOTF not accounted for
+			if (input_tf->tf == TRANSFER_FUNCTION_HLG &&
+					dc_caps->dpp.dgam_rom_caps.hlg == 1)
+				return true;
+		}
+	}
 
 	input_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
 
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
index 9994817a9a03..7f56226ba77a 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
@@ -30,6 +30,7 @@ struct dc_transfer_func;
 struct dc_gamma;
 struct dc_transfer_func_distributed_points;
 struct dc_rgb_fixed;
+struct dc_color_caps;
 enum dc_transfer_func_predefined;
 
 /* For SetRegamma ADL interface support
@@ -100,7 +101,8 @@ bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf,
 		const struct dc_gamma *ramp, bool mapUserRamp, bool canRomBeUsed,
 		const struct freesync_hdr_tf_params *fs_params);
 
-bool mod_color_calculate_degamma_params(struct dc_transfer_func *output_tf,
+bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps,
+		struct dc_transfer_func *output_tf,
 		const struct dc_gamma *ramp, bool mapUserRamp);
 
 bool mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,