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authorDave Airlie <airlied@redhat.com>2022-02-14 10:31:51 +1000
committerDave Airlie <airlied@redhat.com>2022-02-14 10:31:51 +1000
commit123db17ddff007080d464e785689fb14f94cbc7a (patch)
tree11da22fd6a508e496be838e43e0b504266c4a4d3 /drivers/gpu/drm/amd/display/dc/dc_helper.c
parente7a09cea6483b44ea0c82f07145fcbd8a918bf96 (diff)
parent7f161df1a513e2961f4e3c96a8355c8ce93ad175 (diff)
downloadlinux-123db17ddff007080d464e785689fb14f94cbc7a.tar.bz2
Merge tag 'amd-drm-next-5.18-2022-02-11-1' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-5.18-2022-02-11-1: amdgpu: - Clean up of power management code - Enable freesync video mode by default - Clean up of RAS code - Improve VRAM access for debug using SDMA - Coding style cleanups - SR-IOV fixes - More display FP reorg - TLB flush fixes for Arcuturus, Vega20 - Misc display fixes - Rework special register access methods for SR-IOV - DP2 fixes - DP tunneling fixes - DSC fixes - More IP discovery cleanups - Misc RAS fixes - Enable both SMU i2c buses where applicable - s2idle improvements - DPCS header cleanup - Add new CAP firmware support for SR-IOV amdkfd: - Misc cleanups - SVM fixes - CRIU support - Clean up MQD manager UAPI: - Add interface to amdgpu CTX ioctl to request a stable power state for profiling https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/207 - Add amdkfd support for CRIU https://github.com/checkpoint-restore/criu/pull/1709 - Remove old unused amdkfd debugger interface Was only implemented for Kaveri and was only ever used by an old HSA tool that was never open sourced radeon: - Fix error handling in radeon_driver_open_kms - UVD suspend fix - Misc fixes From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220211220706.5803-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_helper.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc_helper.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_helper.c b/drivers/gpu/drm/amd/display/dc/dc_helper.c
index ab6bc5d79012..f43cce16bb6c 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_helper.c
@@ -588,6 +588,66 @@ uint32_t generic_indirect_reg_update_ex(const struct dc_context *ctx,
return reg_val;
}
+
+uint32_t generic_indirect_reg_update_ex_sync(const struct dc_context *ctx,
+ uint32_t index, uint32_t reg_val, int n,
+ uint8_t shift1, uint32_t mask1, uint32_t field_value1,
+ ...)
+{
+ uint32_t shift, mask, field_value;
+ int i = 1;
+
+ va_list ap;
+
+ va_start(ap, field_value1);
+
+ reg_val = set_reg_field_value_ex(reg_val, field_value1, mask1, shift1);
+
+ while (i < n) {
+ shift = va_arg(ap, uint32_t);
+ mask = va_arg(ap, uint32_t);
+ field_value = va_arg(ap, uint32_t);
+
+ reg_val = set_reg_field_value_ex(reg_val, field_value, mask, shift);
+ i++;
+ }
+
+ dm_write_index_reg(ctx, CGS_IND_REG__PCIE, index, reg_val);
+ va_end(ap);
+
+ return reg_val;
+}
+
+uint32_t generic_indirect_reg_get_sync(const struct dc_context *ctx,
+ uint32_t index, int n,
+ uint8_t shift1, uint32_t mask1, uint32_t *field_value1,
+ ...)
+{
+ uint32_t shift, mask, *field_value;
+ uint32_t value = 0;
+ int i = 1;
+
+ va_list ap;
+
+ va_start(ap, field_value1);
+
+ value = dm_read_index_reg(ctx, CGS_IND_REG__PCIE, index);
+ *field_value1 = get_reg_field_value_ex(value, mask1, shift1);
+
+ while (i < n) {
+ shift = va_arg(ap, uint32_t);
+ mask = va_arg(ap, uint32_t);
+ field_value = va_arg(ap, uint32_t *);
+
+ *field_value = get_reg_field_value_ex(value, mask, shift);
+ i++;
+ }
+
+ va_end(ap);
+
+ return value;
+}
+
void reg_sequence_start_gather(const struct dc_context *ctx)
{
/* if reg sequence is supported and enabled, set flag to