[Intel-gfx] [PATCH 1/3] drm/i915: Add struct to hold IP version
Yokoyama, Caz
caz.yokoyama at intel.com
Wed Oct 20 15:00:39 UTC 2021
On Tue, 2021-10-19 at 17:23 -0700, José Roberto de Souza wrote:
> Adding a structure to standardize access to IP versioning as future
> platforms will have this information populated at runtime.
>
> The constant platform display version is not using this new struct
> but
> the runtime variant will definitely use it.
>
> Cc: Radhakrishna Sripada <radhakrishna.sripada at intel.com>
> Cc: Matt Atwood <matthew.s.atwood at intel.com>
> Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
> ---
> drivers/gpu/drm/i915/i915_drv.c | 2 +-
> drivers/gpu/drm/i915/i915_drv.h | 12 ++++++------
> drivers/gpu/drm/i915/i915_pci.c | 18 +++++++++------
> ---
> drivers/gpu/drm/i915/intel_device_info.c | 19 ++++++++++++-----
> --
> drivers/gpu/drm/i915/intel_device_info.h | 12 ++++++++----
> .../gpu/drm/i915/selftests/mock_gem_device.c | 2 +-
> 6 files changed, 37 insertions(+), 28 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.c
> b/drivers/gpu/drm/i915/i915_drv.c
> index 1e5b75ae99329..bdf85d202c55c 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -808,7 +808,7 @@ int i915_driver_probe(struct pci_dev *pdev, const
> struct pci_device_id *ent)
> return PTR_ERR(i915);
>
> /* Disable nuclear pageflip by default on pre-ILK */
> - if (!i915->params.nuclear_pageflip && match_info->graphics_ver
> < 5)
> + if (!i915->params.nuclear_pageflip && match_info->graphics.ver
> < 5)
I don't find any difference on this and the similar modifications
below. Am I missing something?
-caz
> i915->drm.driver_features &= ~DRIVER_ATOMIC;
>
> /*
> diff --git a/drivers/gpu/drm/i915/i915_drv.h
> b/drivers/gpu/drm/i915/i915_drv.h
> index 12256218634f4..26b6e2b8bb5e8 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1327,15 +1327,15 @@ static inline struct drm_i915_private
> *pdev_to_i915(struct pci_dev *pdev)
>
> #define IP_VER(ver, rel) ((ver) << 8 | (rel))
>
> -#define GRAPHICS_VER(i915) (INTEL_INFO(i915)-
> >graphics_ver)
> -#define GRAPHICS_VER_FULL(i915) IP_VER(INTEL_INFO(i915)
> ->graphics_ver, \
> - INTEL_INFO(i915)-
> >graphics_rel)
> +#define GRAPHICS_VER(i915) (INTEL_INFO(i915)-
> >graphics.ver)
> +#define GRAPHICS_VER_FULL(i915) IP_VER(INTEL_INFO(i915)
> ->graphics.ver, \
> + INTEL_INFO(i915)-
> >graphics.rel)
> #define IS_GRAPHICS_VER(i915, from, until) \
> (GRAPHICS_VER(i915) >= (from) && GRAPHICS_VER(i915) <= (until))
>
> -#define MEDIA_VER(i915) (INTEL_INFO(i915)-
> >media_ver)
> -#define MEDIA_VER_FULL(i915) IP_VER(INTEL_INFO(i915)-
> >media_ver, \
> - INTEL_INFO(i915)-
> >media_rel)
> +#define MEDIA_VER(i915) (INTEL_INFO(i915)-
> >media.ver)
> +#define MEDIA_VER_FULL(i915) IP_VER(INTEL_INFO(i915)-
> >media.arch, \
> + INTEL_INFO(i915)-
> >media.rel)
> #define IS_MEDIA_VER(i915, from, until) \
> (MEDIA_VER(i915) >= (from) && MEDIA_VER(i915) <= (until))
>
> diff --git a/drivers/gpu/drm/i915/i915_pci.c
> b/drivers/gpu/drm/i915/i915_pci.c
> index 169837de395d3..5e6795853dc31 100644
> --- a/drivers/gpu/drm/i915/i915_pci.c
> +++ b/drivers/gpu/drm/i915/i915_pci.c
> @@ -32,8 +32,8 @@
>
> #define PLATFORM(x) .platform = (x)
> #define GEN(x) \
> - .graphics_ver = (x), \
> - .media_ver = (x), \
> + .graphics.ver = (x), \
> + .media.ver = (x), \
> .display.ver = (x)
>
> #define I845_PIPE_OFFSETS \
> @@ -899,7 +899,7 @@ static const struct intel_device_info rkl_info =
> {
> static const struct intel_device_info dg1_info = {
> GEN12_FEATURES,
> DGFX_FEATURES,
> - .graphics_rel = 10,
> + .graphics.rel = 10,
> PLATFORM(INTEL_DG1),
> .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) |
> BIT(PIPE_D),
> .require_force_probe = 1,
> @@ -986,8 +986,8 @@ static const struct intel_device_info adl_p_info
> = {
> I915_GTT_PAGE_SIZE_2M
>
> #define XE_HP_FEATURES \
> - .graphics_ver = 12, \
> - .graphics_rel = 50, \
> + .graphics.ver = 12, \
> + .graphics.rel = 50, \
> XE_HP_PAGE_SIZES, \
> .dma_mask_size = 46, \
> .has_64bit_reloc = 1, \
> @@ -1005,8 +1005,8 @@ static const struct intel_device_info
> adl_p_info = {
> .ppgtt_type = INTEL_PPGTT_FULL
>
> #define XE_HPM_FEATURES \
> - .media_ver = 12, \
> - .media_rel = 50
> + .media.ver = 12, \
> + .media.rel = 50
>
> __maybe_unused
> static const struct intel_device_info xehpsdv_info = {
> @@ -1030,8 +1030,8 @@ static const struct intel_device_info dg2_info
> = {
> XE_HPM_FEATURES,
> XE_LPD_FEATURES,
> DGFX_FEATURES,
> - .graphics_rel = 55,
> - .media_rel = 55,
> + .graphics.rel = 55,
> + .media.rel = 55,
> PLATFORM(INTEL_DG2),
> .platform_engine_mask =
> BIT(RCS0) | BIT(BCS0) |
> diff --git a/drivers/gpu/drm/i915/intel_device_info.c
> b/drivers/gpu/drm/i915/intel_device_info.c
> index 305facedd2841..6e6b317bc33ce 100644
> --- a/drivers/gpu/drm/i915/intel_device_info.c
> +++ b/drivers/gpu/drm/i915/intel_device_info.c
> @@ -97,17 +97,22 @@ static const char *iommu_name(void)
> void intel_device_info_print_static(const struct intel_device_info
> *info,
> struct drm_printer *p)
> {
> - if (info->graphics_rel)
> - drm_printf(p, "graphics version: %u.%02u\n", info-
> >graphics_ver, info->graphics_rel);
> + if (info->graphics.rel)
> + drm_printf(p, "graphics version: %u.%02u\n", info-
> >graphics.ver,
> + info->graphics.rel);
> else
> - drm_printf(p, "graphics version: %u\n", info-
> >graphics_ver);
> + drm_printf(p, "graphics version: %u\n", info-
> >graphics.ver);
>
> - if (info->media_rel)
> - drm_printf(p, "media version: %u.%02u\n", info-
> >media_ver, info->media_rel);
> + if (info->media.rel)
> + drm_printf(p, "media version: %u.%02u\n", info-
> >media.ver, info->media.rel);
> else
> - drm_printf(p, "media version: %u\n", info->media_ver);
> + drm_printf(p, "media version: %u\n", info->media.ver);
> +
> + if (info->display.rel)
> + drm_printf(p, "display version: %u.%02u\n", info-
> >display.ver, info->display.rel);
> + else
> + drm_printf(p, "display version: %u\n", info-
> >display.ver);
>
> - drm_printf(p, "display version: %u\n", info->display.ver);
> drm_printf(p, "gt: %d\n", info->gt);
> drm_printf(p, "iommu: %s\n", iommu_name());
> drm_printf(p, "memory-regions: %x\n", info->memory_regions);
> diff --git a/drivers/gpu/drm/i915/intel_device_info.h
> b/drivers/gpu/drm/i915/intel_device_info.h
> index 8e6f48d1eb7bc..669f0d26c3c38 100644
> --- a/drivers/gpu/drm/i915/intel_device_info.h
> +++ b/drivers/gpu/drm/i915/intel_device_info.h
> @@ -166,11 +166,14 @@ enum intel_ppgtt_type {
> func(overlay_needs_physical); \
> func(supports_tv);
>
> +struct ip_version {
> + u8 ver;
> + u8 rel;
> +};
> +
> struct intel_device_info {
> - u8 graphics_ver;
> - u8 graphics_rel;
> - u8 media_ver;
> - u8 media_rel;
> + struct ip_version graphics;
> + struct ip_version media;
>
> intel_engine_mask_t platform_engine_mask; /* Engines supported
> by the HW */
>
> @@ -200,6 +203,7 @@ struct intel_device_info {
>
> struct {
> u8 ver;
> + u8 rel;
>
> #define DEFINE_FLAG(name) u8 name:1
> DEV_INFO_DISPLAY_FOR_EACH_FLAG(DEFINE_FLAG);
> diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> index 4f81801468881..9ab3f284d1dd9 100644
> --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> @@ -165,7 +165,7 @@ struct drm_i915_private *mock_gem_device(void)
> /* Using the global GTT may ask questions about KMS users, so
> prepare */
> drm_mode_config_init(&i915->drm);
>
> - mkwrite_device_info(i915)->graphics_ver = -1;
> + mkwrite_device_info(i915)->graphics.ver = -1;
>
> mkwrite_device_info(i915)->page_sizes =
> I915_GTT_PAGE_SIZE_4K |
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