Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Greg Kroah-Hartman <> | Subject | [PATCH 3.4 26/26] drm/radeon/atom: workaround vbios bug in transmitter table on rs780 | Date | Fri, 8 Nov 2013 22:51:55 -0800 |
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3.4-stable review patch. If anyone has any objections, please let me know.
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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) {
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