diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_device.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_device.h | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_device.h b/drivers/gpu/drm/i915/display/intel_display_device.h index 215e682bd8b7..5b5c0e53307f 100644 --- a/drivers/gpu/drm/i915/display/intel_display_device.h +++ b/drivers/gpu/drm/i915/display/intel_display_device.h @@ -32,6 +32,7 @@ struct drm_printer; func(overlay_needs_physical); \ func(supports_tv); +#define HAS_4TILE(i915) (IS_DG2(i915) || DISPLAY_VER(i915) >= 14) #define HAS_ASYNC_FLIPS(i915) (DISPLAY_VER(i915) >= 5) #define HAS_CDCLK_CRAWL(i915) (DISPLAY_INFO(i915)->has_cdclk_crawl) #define HAS_CDCLK_SQUASH(i915) (DISPLAY_INFO(i915)->has_cdclk_squash) @@ -55,6 +56,7 @@ struct drm_printer; #define HAS_HW_SAGV_WM(i915) (DISPLAY_VER(i915) >= 13 && !IS_DGFX(i915)) #define HAS_IPC(i915) (DISPLAY_INFO(i915)->has_ipc) #define HAS_IPS(i915) (IS_HASWELL_ULT(i915) || IS_BROADWELL(i915)) +#define HAS_LRR(i915) (DISPLAY_VER(i915) >= 12) #define HAS_LSPCON(i915) (IS_DISPLAY_VER(i915, 9, 10)) #define HAS_MBUS_JOINING(i915) (IS_ALDERLAKE_P(i915) || DISPLAY_VER(i915) >= 14) #define HAS_MSO(i915) (DISPLAY_VER(i915) >= 12) @@ -71,6 +73,40 @@ struct drm_printer; #define OVERLAY_NEEDS_PHYSICAL(i915) (DISPLAY_INFO(i915)->overlay_needs_physical) #define SUPPORTS_TV(i915) (DISPLAY_INFO(i915)->supports_tv) +/* Check that device has a display IP version within the specific range. */ +#define IS_DISPLAY_IP_RANGE(__i915, from, until) ( \ + BUILD_BUG_ON_ZERO((from) < IP_VER(2, 0)) + \ + (DISPLAY_VER_FULL(__i915) >= (from) && \ + DISPLAY_VER_FULL(__i915) <= (until))) + +/* + * Check if a device has a specific IP version as well as a stepping within the + * specified range [from, until). The lower bound is inclusive, the upper + * bound is exclusive. The most common use-case of this macro is for checking + * bounds for workarounds, which usually have a stepping ("from") at which the + * hardware issue is first present and another stepping ("until") at which a + * hardware fix is present and the software workaround is no longer necessary. + * E.g., + * + * IS_DISPLAY_IP_STEP(i915, IP_VER(14, 0), STEP_A0, STEP_B2) + * IS_DISPLAY_IP_STEP(i915, IP_VER(14, 0), STEP_C0, STEP_FOREVER) + * + * "STEP_FOREVER" can be passed as "until" for workarounds that have no upper + * stepping bound for the specified IP version. + */ +#define IS_DISPLAY_IP_STEP(__i915, ipver, from, until) \ + (IS_DISPLAY_IP_RANGE((__i915), (ipver), (ipver)) && \ + IS_DISPLAY_STEP((__i915), (from), (until))) + +#define DISPLAY_INFO(i915) ((i915)->display.info.__device_info) +#define DISPLAY_RUNTIME_INFO(i915) (&(i915)->display.info.__runtime_info) + +#define DISPLAY_VER(i915) (DISPLAY_RUNTIME_INFO(i915)->ip.ver) +#define DISPLAY_VER_FULL(i915) IP_VER(DISPLAY_RUNTIME_INFO(i915)->ip.ver, \ + DISPLAY_RUNTIME_INFO(i915)->ip.rel) +#define IS_DISPLAY_VER(i915, from, until) \ + (DISPLAY_VER(i915) >= (from) && DISPLAY_VER(i915) <= (until)) + struct intel_display_runtime_info { struct { u16 ver; @@ -123,9 +159,8 @@ struct intel_display_device_info { } color; }; -const struct intel_display_device_info * -intel_display_device_probe(struct drm_i915_private *i915, bool has_gmdid, - u16 *ver, u16 *rel, u16 *step); +bool intel_display_device_enabled(struct drm_i915_private *i915); +void intel_display_device_probe(struct drm_i915_private *i915); void intel_display_device_info_runtime_init(struct drm_i915_private *i915); void intel_display_device_info_print(const struct intel_display_device_info *info, |