[PATCH v2 35/38] drm/i915/quirks: abstract quirks further by making quirk ids an enum

[Jani Nikula <jani.nikula@xxxxxxxxx>]

Turn the quirk ids to enums instead of bits, and hide the masking inside
intel_quirks.c. Define the enums in intel_quirks.h to declutter
i915_drv.h while at it.

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Reviewed-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_quirks.c | 21 +++++++++++++--------
 drivers/gpu/drm/i915/display/intel_quirks.h | 11 ++++++++++-
 drivers/gpu/drm/i915/i915_drv.h             |  7 -------
 3 files changed, 23 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_quirks.c b/drivers/gpu/drm/i915/display/intel_quirks.c
index 9b5db1193a00..22e0df9d9dba 100644
--- a/drivers/gpu/drm/i915/display/intel_quirks.c
+++ b/drivers/gpu/drm/i915/display/intel_quirks.c
@@ -9,12 +9,17 @@
 #include "intel_display_types.h"
 #include "intel_quirks.h"
 
+static void intel_set_quirk(struct drm_i915_private *i915, enum intel_quirk_id quirk)
+{
+	i915->quirks |= BIT(quirk);
+}
+
 /*
  * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason
  */
 static void quirk_ssc_force_disable(struct drm_i915_private *i915)
 {
-	i915->quirks |= QUIRK_LVDS_SSC_DISABLE;
+	intel_set_quirk(i915, QUIRK_LVDS_SSC_DISABLE);
 	drm_info(&i915->drm, "applying lvds SSC disable quirk\n");
 }
 
@@ -24,14 +29,14 @@ static void quirk_ssc_force_disable(struct drm_i915_private *i915)
  */
 static void quirk_invert_brightness(struct drm_i915_private *i915)
 {
-	i915->quirks |= QUIRK_INVERT_BRIGHTNESS;
+	intel_set_quirk(i915, QUIRK_INVERT_BRIGHTNESS);
 	drm_info(&i915->drm, "applying inverted panel brightness quirk\n");
 }
 
 /* Some VBT's incorrectly indicate no backlight is present */
 static void quirk_backlight_present(struct drm_i915_private *i915)
 {
-	i915->quirks |= QUIRK_BACKLIGHT_PRESENT;
+	intel_set_quirk(i915, QUIRK_BACKLIGHT_PRESENT);
 	drm_info(&i915->drm, "applying backlight present quirk\n");
 }
 
@@ -40,7 +45,7 @@ static void quirk_backlight_present(struct drm_i915_private *i915)
  */
 static void quirk_increase_t12_delay(struct drm_i915_private *i915)
 {
-	i915->quirks |= QUIRK_INCREASE_T12_DELAY;
+	intel_set_quirk(i915, QUIRK_INCREASE_T12_DELAY);
 	drm_info(&i915->drm, "Applying T12 delay quirk\n");
 }
 
@@ -50,13 +55,13 @@ static void quirk_increase_t12_delay(struct drm_i915_private *i915)
  */
 static void quirk_increase_ddi_disabled_time(struct drm_i915_private *i915)
 {
-	i915->quirks |= QUIRK_INCREASE_DDI_DISABLED_TIME;
+	intel_set_quirk(i915, QUIRK_INCREASE_DDI_DISABLED_TIME);
 	drm_info(&i915->drm, "Applying Increase DDI Disabled quirk\n");
 }
 
 static void quirk_no_pps_backlight_power_hook(struct drm_i915_private *i915)
 {
-	i915->quirks |= QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK;
+	intel_set_quirk(i915, QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK);
 	drm_info(&i915->drm, "Applying no pps backlight power quirk\n");
 }
 
@@ -214,7 +219,7 @@ void intel_init_quirks(struct drm_i915_private *i915)
 	}
 }
 
-bool intel_has_quirk(struct drm_i915_private *i915, unsigned long quirk)
+bool intel_has_quirk(struct drm_i915_private *i915, enum intel_quirk_id quirk)
 {
-	return i915->quirks & quirk;
+	return i915->quirks & BIT(quirk);
 }
diff --git a/drivers/gpu/drm/i915/display/intel_quirks.h b/drivers/gpu/drm/i915/display/intel_quirks.h
index f5e399a6e7d3..10a4d163149f 100644
--- a/drivers/gpu/drm/i915/display/intel_quirks.h
+++ b/drivers/gpu/drm/i915/display/intel_quirks.h
@@ -10,7 +10,16 @@
 
 struct drm_i915_private;
 
+enum intel_quirk_id {
+	QUIRK_BACKLIGHT_PRESENT,
+	QUIRK_INCREASE_DDI_DISABLED_TIME,
+	QUIRK_INCREASE_T12_DELAY,
+	QUIRK_INVERT_BRIGHTNESS,
+	QUIRK_LVDS_SSC_DISABLE,
+	QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK,
+};
+
 void intel_init_quirks(struct drm_i915_private *i915);
-bool intel_has_quirk(struct drm_i915_private *i915, unsigned long quirk);
+bool intel_has_quirk(struct drm_i915_private *i915, enum intel_quirk_id quirk);
 
 #endif /* __INTEL_QUIRKS_H__ */
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 1899d07df647..f272f299d85b 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -90,13 +90,6 @@ struct vlv_s0ix_state;
 
 #define GEM_QUIRK_PIN_SWIZZLED_PAGES	BIT(0)
 
-#define QUIRK_LVDS_SSC_DISABLE (1<<1)
-#define QUIRK_INVERT_BRIGHTNESS (1<<2)
-#define QUIRK_BACKLIGHT_PRESENT (1<<3)
-#define QUIRK_INCREASE_T12_DELAY (1<<6)
-#define QUIRK_INCREASE_DDI_DISABLED_TIME (1<<7)
-#define QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK (1<<8)
-
 struct i915_suspend_saved_registers {
 	u32 saveDSPARB;
 	u32 saveSWF0[16];
-- 
2.34.1