| From c23632d4e57c0dd20bf50eca08fa0eb8ad3ff680 Mon Sep 17 00:00:00 2001 |
| From: Alex Deucher <alexander.deucher@amd.com> |
| Date: Thu, 10 Oct 2013 16:45:27 -0400 |
| Subject: drm/radeon/atom: workaround vbios bug in transmitter table on rs780 |
| |
| From: Alex Deucher <alexander.deucher@amd.com> |
| |
| commit c23632d4e57c0dd20bf50eca08fa0eb8ad3ff680 upstream. |
| |
| Some rs780 asics seem to be affected as well. |
| |
| See: |
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=91f3a6aaf280294b07c05dfe606e6c27b7ba3c72 |
| |
| Fixes: |
| https://bugzilla.kernel.org/show_bug.cgi?id=60791 |
| |
| Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| drivers/gpu/drm/radeon/atombios_encoders.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| --- a/drivers/gpu/drm/radeon/atombios_encoders.c |
| +++ b/drivers/gpu/drm/radeon/atombios_encoders.c |
| @@ -1430,7 +1430,7 @@ radeon_atom_encoder_dpms_dig(struct drm_ |
| * does the same thing and more. |
| */ |
| if ((rdev->family != CHIP_RV710) && (rdev->family != CHIP_RV730) && |
| - (rdev->family != CHIP_RS880)) |
| + (rdev->family != CHIP_RS780) && (rdev->family != CHIP_RS880)) |
| atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0); |
| } |
| if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) { |
