From: Paulo Zanoni <paulo.r.zan...@intel.com>
Don't rely on previous values already set on the register. Everything
we're not explicitly setting should be zero for now.
Signed-off-by: Paulo Zanoni <paulo.r.zan...@intel.com>
---
drivers/gpu/drm/i915/intel_ddi.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 8b38359..ff03a3a 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -723,12 +723,7 @@ void intel_ddi_mode_set(struct drm_encoder *encoder,
}
/* Enable PIPE_DDI_FUNC_CTL for the pipe to work in HDMI mode */
- temp = I915_READ(DDI_FUNC_CTL(pipe));
- temp &= ~PIPE_DDI_PORT_MASK;
- temp &= ~PIPE_DDI_BPC_MASK;
- temp &= ~PIPE_DDI_MODE_SELECT_MASK;
- temp &= ~(PIPE_DDI_PVSYNC | PIPE_DDI_PHSYNC);
- temp |= PIPE_DDI_FUNC_ENABLE | PIPE_DDI_SELECT_PORT(port);
+ temp = PIPE_DDI_FUNC_ENABLE | PIPE_DDI_SELECT_PORT(port);
switch (intel_crtc->bpp) {
case 18:
--
1.7.11.2
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