For MIPI, DSI PLL is configured separately in vlv_configure_dsi_pll during the DSI enable sequence
Causing WARN dump otherwise in dpio_reads v2: Add IS_CHERRYVIEW check as suggested by Ville Signed-off-by: Shobhit Kumar <[email protected]> Reviewed-by: Ville Syrjälä <[email protected]> --- drivers/gpu/drm/i915/intel_display.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index fa77557..2af7b6f 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4629,7 +4629,10 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc) if (intel_crtc->active) return; - vlv_prepare_pll(intel_crtc); + is_dsi = intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI); + + if (!is_dsi && !IS_CHERRYVIEW(dev)) + vlv_prepare_pll(intel_crtc); /* Set up the display plane register */ dspcntr = DISPPLANE_GAMMA_ENABLE; @@ -4663,8 +4666,6 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc) if (encoder->pre_pll_enable) encoder->pre_pll_enable(encoder); - is_dsi = intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI); - if (!is_dsi) { if (IS_CHERRYVIEW(dev)) chv_enable_pll(intel_crtc); -- 1.9.1 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
