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authorDaniel Vetter <daniel.vetter@ffwll.ch>2019-12-17 18:47:46 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2019-12-17 18:47:46 +0100
commitbe452c4e8d1434a0095a9baa6523bb9772258d59 (patch)
tree41f395df057b0494a0ce24d27b6c289983ce9eca /drivers/gpu/drm/amd/display/dc/inc/reg_helper.h
parentd2e532286d4fa67cb162220cd7be30274561741c (diff)
parentad808910be68dcf8da5d837d4511d00ad5d3678a (diff)
Merge tag 'drm-next-5.6-2019-12-11' of git://people.freedesktop.org/~agd5f/linux into drm-next
drm-next-5.6-2019-12-11: amdgpu: - Add MST atomic routines - Add support for DMCUB (new helper microengine for displays) - Add OEM i2c support in DC - Use vstartup for vblank events on DCN - Simplify Kconfig for DC - Renoir fixes for DC - Clean up function pointers in DC - Initial support for HDCP 2.x - Misc code cleanups - GFX10 fixes - Rework JPEG engine handling for VCN - Add clock and power gating support for JPEG - BACO support for Arcturus - Cleanup PSP ring handling - Add framework for using BACO with runtime pm to save power - Move core pci state handling out of the driver for pm ops - Allow guest power control in 1 VF case with SR-IOV - SR-IOV fixes - RAS fixes - Support for power metrics on renoir - Golden settings updates for gfx10 - Enable gfxoff on supported navi10 skus - Update MAINTAINERS amdkfd: - Clean up generational gfx code - Fixes for gfx10 - DIQ fixes - Share more code with amdgpu radeon: - PPC DMA fix - Register checker fixes for r1xx/r2xx - Misc cleanups From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191211223020.7510-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/reg_helper.h')
-rw-r--r--drivers/gpu/drm/amd/display/dc/inc/reg_helper.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h b/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h
index 8503d9cc4763..47e307388581 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h
@@ -485,4 +485,23 @@ uint32_t generic_indirect_reg_update_ex(const struct dc_context *ctx,
uint8_t shift1, uint32_t mask1, uint32_t field_value1,
...);
+/* register offload macros
+ *
+ * instead of MMIO to register directly, in some cases we want
+ * to gather register sequence and execute the register sequence
+ * from another thread so we optimize time required for lengthy ops
+ */
+
+/* start gathering register sequence */
+#define REG_SEQ_START() \
+ reg_sequence_start_gather(CTX)
+
+/* start execution of register sequence gathered since REG_SEQ_START */
+#define REG_SEQ_SUBMIT() \
+ reg_sequence_start_execute(CTX)
+
+/* wait for the last REG_SEQ_SUBMIT to finish */
+#define REG_SEQ_WAIT_DONE() \
+ reg_sequence_wait_done(CTX)
+
#endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_INC_REG_HELPER_H_ */