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Commit a1a4b23b authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
Browse files

drm/radeon/kms: adjust pll settings for tv 



May fix fdo bug 26582.

Signed-off-by: default avatarAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 08d07511

drivers/gpu/drm/radeon/atombios_crtc.c

+4 −0
Original line number Diff line number Diff line
@@ -521,6 +521,10 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, 
				/* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */

				if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)

					adjusted_clock = mode->clock * 2;

				if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) {

					pll->algo = PLL_ALGO_LEGACY;

					pll->flags |= RADEON_PLL_PREFER_CLOSEST_LOWER;

				}

			} else {

				if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)

					pll->flags |= RADEON_PLL_NO_ODD_POST_DIV;