[Intel-gfx] [PATCH 1/3] drm/i915: Add struct to hold IP version
Souza, Jose
jose.souza at intel.com
Wed Oct 20 19:19:21 UTC 2021
On Wed, 2021-10-20 at 15:00 +0000, Yokoyama, Caz wrote:
> 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?
Changing u8 graphics_ver to struct ip_version that contains a member called ver.
So only changing '_' to '.' in most places.
> -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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