diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-08-19 19:06:19 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-08-30 16:31:02 -0400 |
| commit | 9cb84ab0abd1f5af2482387f8ff585dcfa30b9e6 (patch) | |
| tree | 82a7f2a6864365c937184a87fb9fea7575acb14d | |
| parent | bc01a8c7a24169f8b111b7dda6f5d8e7088309af (diff) | |
drm/radeon: check firmware overrides for mclk/sclk ss
Check the overrides in the firmware info table before
enabling spread spectrum on the engine or memory clocks.
Some boards may have valid spread spectrum tables, but
shouldn't necessarily have it enabled.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_atombios.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 7ba439e9f30..4ac5f402762 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1480,6 +1480,15 @@ bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev, uint8_t frev, crev; int i, num_indices; + if (id == ASIC_INTERNAL_MEMORY_SS) { + if (!(rdev->mode_info.firmware_flags & ATOM_BIOS_INFO_MEMORY_CLOCK_SS_SUPPORT)) + return false; + } + if (id == ASIC_INTERNAL_ENGINE_SS) { + if (!(rdev->mode_info.firmware_flags & ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT)) + return false; + } + memset(ss, 0, sizeof(struct radeon_atom_ss)); if (atom_parse_data_header(mode_info->atom_context, index, &size, &frev, &crev, &data_offset)) { |