drm/radeon: update radeon_atom_get_clock_dividers() for SI
SI uses v5 of the command table and uses a different table
for memory PLLs.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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 @@
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 @@
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;