From: Alex Deucher <alexander.deuc...@amd.com>
SI uses v5 of the command table and uses a different table
for memory PLLs.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
drivers/gpu/drm/radeon/radeon_atombios.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c
b/drivers/gpu/drm/radeon/radeon_atombios.c
index 3236755..774e354 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -2732,7 +2732,8 @@ int radeon_atom_get_clock_dividers(struct radeon_device
*rdev,
break;
case 2:
case 3:
- /* r6xx, r7xx, evergreen, ni */
+ case 5:
+ /* r6xx, r7xx, evergreen, ni, si */
if (rdev->family <= CHIP_RV770) {
args.v2.ucAction = clock_type;
args.v2.ulClock = cpu_to_le32(clock); /* 10 khz */
@@ -2765,6 +2766,9 @@ int radeon_atom_get_clock_dividers(struct radeon_device
*rdev,
dividers->vco_mode = (args.v3.ucCntlFlag &
ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0;
} else {
+ /* for SI we use ComputeMemoryClockParam for
memory plls */
+ if (rdev->family >= CHIP_TAHITI)
+ return -EINVAL;
args.v5.ulClockParams = cpu_to_le32((clock_type
<< 24) | clock);
if (strobe_mode)
args.v5.ucInputFlag =
ATOM_PLL_INPUT_FLAG_PLL_STROBE_MODE_EN;
--
1.7.7.5
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