drm/radeon: add some additional 6xx/7xx/EG register init

[pandora-kernel.git] / drivers / gpu / drm / radeon / evergreen.c

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index dac178b..931f4df 100644 (file)
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2148,6 +2148,9 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
        smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
        WREG32(SMX_DC_CTL0, smx_dc_ctl0);
 
+       if (rdev->family <= CHIP_SUMO2)
+               WREG32(SMX_SAR_CTL0, 0x00010000);
+
        WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
                                        POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
                                        SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));