From: Alex Deucher Date: Tue, 22 Mar 2011 05:46:12 +0000 (-0400) Subject: drm/radeon/kms: prefer legacy pll algo for tv-out X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=64146f8b2af1ba77fe3c21d9d6d7213b9bb72b40;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git drm/radeon/kms: prefer legacy pll algo for tv-out ntsc seems to work fine with either algo, some pal TVs seem pickier. Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=30832 Signed-off-by: Alex Deucher Cc: stable@kernel.org Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 3cd3234ba0af..10e41af6b026 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -957,7 +957,11 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode /* adjust pixel clock as needed */ adjusted_clock = atombios_adjust_pll(crtc, mode, pll, ss_enabled, &ss); - if (ASIC_IS_AVIVO(rdev)) + if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) + /* TV seems to prefer the legacy algo on some boards */ + radeon_compute_pll_legacy(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div, + &ref_div, &post_div); + else if (ASIC_IS_AVIVO(rdev)) radeon_compute_pll_avivo(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div, &ref_div, &post_div); else