diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600_hdmi.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index 5c805f7fea39..2c70a85e72c6 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c | |||
| @@ -196,6 +196,13 @@ static void r600_hdmi_videoinfoframe( | |||
| 196 | frame[0xD] = (right_bar >> 8); | 196 | frame[0xD] = (right_bar >> 8); |
| 197 | 197 | ||
| 198 | r600_hdmi_infoframe_checksum(0x82, 0x02, 0x0D, frame); | 198 | r600_hdmi_infoframe_checksum(0x82, 0x02, 0x0D, frame); |
| 199 | /* Our header values (type, version, length) should be alright, Intel | ||
| 200 | * is using the same. Checksum function also seems to be OK, it works | ||
| 201 | * fine for audio infoframe. However calculated value is always lower | ||
| 202 | * by 2 in comparison to fglrx. It breaks displaying anything in case | ||
| 203 | * of TVs that strictly check the checksum. Hack it manually here to | ||
| 204 | * workaround this issue. */ | ||
| 205 | frame[0x0] += 2; | ||
| 199 | 206 | ||
| 200 | WREG32(offset+R600_HDMI_VIDEOINFOFRAME_0, | 207 | WREG32(offset+R600_HDMI_VIDEOINFOFRAME_0, |
| 201 | frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); | 208 | frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); |