Let's introduce one more of those orthogonal feature macros. This should hopefully make the code more readable and make things easier for new platform enabling. This time, HAS_FPGA_DBG_UNCLAIMED() is true for platforms that have bit 31 of FPGA_DBG able to signal unclaimed writes. Signed-off-by: Damien Lespiau <damien.lespiau at intel.com> --- drivers/gpu/drm/i915/i915_dma.c | 2 +- drivers/gpu/drm/i915/i915_drv.c | 4 ++-- drivers/gpu/drm/i915/i915_drv.h | 1 + 3 files changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 24b9e8b..74f2247 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1468,7 +1468,7 @@ static void intel_early_sanitize_regs(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - if (IS_HASWELL(dev)) + if (HAS_FPGA_DBG_UNCLAIMED(dev)) I915_WRITE_NOTRACE(FPGA_DBG, FPGA_DBG_RM_NOCLAIM); } diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 564d4c6..896b904 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1205,7 +1205,7 @@ ilk_dummy_write(struct drm_i915_private *dev_priv) static void hsw_unclaimed_reg_clear(struct drm_i915_private *dev_priv, u32 reg) { - if (IS_HASWELL(dev_priv->dev) && + if (HAS_FPGA_DBG_UNCLAIMED(dev_priv->dev) && (I915_READ_NOTRACE(FPGA_DBG) & FPGA_DBG_RM_NOCLAIM)) { DRM_ERROR("Unknown unclaimed register before writing to %x\n", reg); @@ -1216,7 +1216,7 @@ hsw_unclaimed_reg_clear(struct drm_i915_private *dev_priv, u32 reg) static void hsw_unclaimed_reg_check(struct drm_i915_private *dev_priv, u32 reg) { - if (IS_HASWELL(dev_priv->dev) && + if (HAS_FPGA_DBG_UNCLAIMED(dev_priv->dev) && (I915_READ_NOTRACE(FPGA_DBG) & FPGA_DBG_RM_NOCLAIM)) { DRM_ERROR("Unclaimed write to %x\n", reg); I915_WRITE_NOTRACE(FPGA_DBG, FPGA_DBG_RM_NOCLAIM); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 652b168..c5f0778 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1369,6 +1369,7 @@ struct drm_i915_file_private { #define HAS_DDI(dev) (INTEL_INFO(dev)->has_ddi) #define HAS_POWER_WELL(dev) (IS_HASWELL(dev)) +#define HAS_FPGA_DBG_UNCLAIMED(dev) (IS_HASWELL(dev)) #define INTEL_PCH_DEVICE_ID_MASK 0xff00 #define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00 -- 1.8.1.4