diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_pch_refclk.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_pch_refclk.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_pch_refclk.c b/drivers/gpu/drm/i915/display/intel_pch_refclk.c index 3657b2940702..f4c09cc37a5e 100644 --- a/drivers/gpu/drm/i915/display/intel_pch_refclk.c +++ b/drivers/gpu/drm/i915/display/intel_pch_refclk.c @@ -12,19 +12,13 @@ static void lpt_fdi_reset_mphy(struct drm_i915_private *dev_priv) { - u32 tmp; - - tmp = intel_de_read(dev_priv, SOUTH_CHICKEN2); - tmp |= FDI_MPHY_IOSFSB_RESET_CTL; - intel_de_write(dev_priv, SOUTH_CHICKEN2, tmp); + intel_de_rmw(dev_priv, SOUTH_CHICKEN2, 0, FDI_MPHY_IOSFSB_RESET_CTL); if (wait_for_us(intel_de_read(dev_priv, SOUTH_CHICKEN2) & FDI_MPHY_IOSFSB_RESET_STATUS, 100)) drm_err(&dev_priv->drm, "FDI mPHY reset assert timeout\n"); - tmp = intel_de_read(dev_priv, SOUTH_CHICKEN2); - tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL; - intel_de_write(dev_priv, SOUTH_CHICKEN2, tmp); + intel_de_rmw(dev_priv, SOUTH_CHICKEN2, FDI_MPHY_IOSFSB_RESET_CTL, 0); if (wait_for_us((intel_de_read(dev_priv, SOUTH_CHICKEN2) & FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100)) |