From: Ville Syrj?l? <ville.syrjala at linux.intel.com>
>From BSpec / SR01 - Clocking Mode:
"The following sequence must be used when disabling the VGA plane.
Write SR01 to set bit 5 = 1 to disable video output.
Wait for 100us.
Disable the VGA plane via Bit 31 of the MMIO VGA control."
So simply call i915_disable_vga() from i915_redisable_vga().
Signed-off-by: Ville Syrj?l? <ville.syrjala at linux.intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e96ac19..6cc5700 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8934,8 +8934,7 @@ void i915_redisable_vga(struct drm_device *dev)
if (I915_READ(vga_reg) != VGA_DISP_DISABLE) {
DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n");
- I915_WRITE(vga_reg, VGA_DISP_DISABLE);
- POSTING_READ(vga_reg);
+ i915_disable_vga(dev);
}
}
--
1.7.12.4
