From: Alex Deucher alexander.deucher@amd.com
SI uses v5 of the command table and uses a different table for memory PLLs.
Signed-off-by: Alex Deucher alexander.deucher@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;