[Intel-gfx] [PATCH] drm/i915/guc: Update to GuC FW v40
Daniele Ceraolo Spurio
daniele.ceraolospurio at intel.com
Wed Jan 15 19:45:36 UTC 2020
On 1/14/20 6:40 PM, John.C.Harrison at Intel.com wrote:
> From: Matthew Brost <matthew.brost at intel.com>
>
> The GuC major version has jumped from 35 to 40. This is because this
> FW includes a significant re-write of the API that completely breaks
> backwards compatibility for command submission. This patch is
> sufficient to enable loading of the GuC and hence authentication of
> the HuC. Support of command submission will follow in a much larger
> patch series.
>
> The changes required to load v40 FW are:
> * An additional data structure and associated 'private_data' pointer
> are now required to be setup by the driver. This is basically a
> scratch area of memory that the GuC owns. The size is read from the
> CSS header.
>
> * A physical to logical engine mapping table is required to be
> provided in the GuC additional data structure. This is initialized
> with a 1 to 1 mapping.
>
> * GUC_CTL_CTXINFO has been removed from the initialization params.
>
You're missing the removal of ads.reg_state_buffer, which is several
page of memory we can now save. Michal has floated a patch for that
internally.
Daniele
> Signed-off-by: Matthew Brost <matthew.brost at intel.com>
> Signed-off-by: John Harrison <John.C.Harrison at Intel.com>
> CC: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> ---
> drivers/gpu/drm/i915/gt/uc/intel_guc.c | 18 ------------
> drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c | 29 +++++++++++++++++++-
> drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h | 22 +++++++--------
> drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c | 21 ++++++++------
> drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h | 2 ++
> drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h | 6 +++-
> 6 files changed, 57 insertions(+), 41 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
> index 5d00a3b2d914..e3ef742aac4a 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
> @@ -213,23 +213,6 @@ static u32 guc_ctl_feature_flags(struct intel_guc *guc)
> return flags;
> }
>
> -static u32 guc_ctl_ctxinfo_flags(struct intel_guc *guc)
> -{
> - u32 flags = 0;
> -
> - if (intel_guc_is_submission_supported(guc)) {
> - u32 ctxnum, base;
> -
> - base = intel_guc_ggtt_offset(guc, guc->stage_desc_pool);
> - ctxnum = GUC_MAX_STAGE_DESCRIPTORS / 16;
> -
> - base >>= PAGE_SHIFT;
> - flags |= (base << GUC_CTL_BASE_ADDR_SHIFT) |
> - (ctxnum << GUC_CTL_CTXNUM_IN16_SHIFT);
> - }
> - return flags;
> -}
> -
> static u32 guc_ctl_log_params_flags(struct intel_guc *guc)
> {
> u32 offset = intel_guc_ggtt_offset(guc, guc->log.vma) >> PAGE_SHIFT;
> @@ -291,7 +274,6 @@ static void guc_init_params(struct intel_guc *guc)
>
> BUILD_BUG_ON(sizeof(guc->params) != GUC_CTL_MAX_DWORDS * sizeof(u32));
>
> - params[GUC_CTL_CTXINFO] = guc_ctl_ctxinfo_flags(guc);
> params[GUC_CTL_LOG_PARAMS] = guc_ctl_log_params_flags(guc);
> params[GUC_CTL_FEATURE] = guc_ctl_feature_flags(guc);
> params[GUC_CTL_DEBUG] = guc_ctl_debug_flags(guc);
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> index 101728006ae9..1d84cf1d8710 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> @@ -48,6 +48,20 @@ static void guc_ct_pool_entries_init(struct guc_ct_pool_entry *pool, u32 num)
> memset(pool, 0, num * sizeof(*pool));
> }
>
> +static void guc_mapping_table_init(struct guc_gt_system_info *system_info)
> +{
> + unsigned int i, j;
> +
> + /*
> + * Initializing the physical to logical engine mapping table with a
> + * 1 to 1 mapping. This allows the firmware to load on all platforms as
> + * all engines are logical exposed to the user.
> + */
> + for (i = 0; i < GUC_MAX_ENGINE_CLASSES; ++i)
> + for (j = 0; j < GUC_MAX_INSTANCES_PER_CLASS; ++j)
> + system_info->mapping_table[i][j] = j;
> +}
> +
> /*
> * The first 80 dwords of the register state context, containing the
> * execlists and ppgtt registers.
> @@ -107,6 +121,8 @@ static void __guc_ads_init(struct intel_guc *guc)
> blob->system_info.vebox_enable_mask = VEBOX_MASK(dev_priv);
> blob->system_info.vdbox_sfc_support_mask = RUNTIME_INFO(dev_priv)->vdbox_sfc_access;
>
> + guc_mapping_table_init(&blob->system_info);
> +
> base = intel_guc_ggtt_offset(guc, guc->ads_vma);
>
> /* Clients info */
> @@ -123,6 +139,10 @@ static void __guc_ads_init(struct intel_guc *guc)
> blob->ads.gt_system_info = base + ptr_offset(blob, system_info);
> blob->ads.clients_info = base + ptr_offset(blob, clients_info);
>
> + /* Private Data */
> + blob->ads.private_data = base +
> + PAGE_ALIGN(sizeof(struct __guc_ads_blob));
> +
> i915_gem_object_flush_map(guc->ads_vma->obj);
> }
>
> @@ -135,11 +155,13 @@ static void __guc_ads_init(struct intel_guc *guc)
> */
> int intel_guc_ads_create(struct intel_guc *guc)
> {
> - const u32 size = PAGE_ALIGN(sizeof(struct __guc_ads_blob));
> + u32 size = PAGE_ALIGN(sizeof(struct __guc_ads_blob));
> int ret;
>
> GEM_BUG_ON(guc->ads_vma);
>
> + size += PAGE_ALIGN(guc->fw.private_data_size);
> +
> ret = intel_guc_allocate_and_map_vma(guc, size, &guc->ads_vma,
> (void **)&guc->ads_blob);
>
> @@ -169,4 +191,9 @@ void intel_guc_ads_reset(struct intel_guc *guc)
> if (!guc->ads_vma)
> return;
> __guc_ads_init(guc);
> +
> + if (guc->fw.private_data_size)
> + memset((void *)guc->ads_blob +
> + PAGE_ALIGN(sizeof(struct __guc_ads_blob)), 0,
> + PAGE_ALIGN(guc->fw.private_data_size));
> }
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
> index a6b733c146c9..0389fad4e61f 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
> @@ -62,12 +62,7 @@
> #define GUC_STAGE_DESC_ATTR_PCH BIT(6)
> #define GUC_STAGE_DESC_ATTR_TERMINATED BIT(7)
>
> -/* New GuC control data */
> -#define GUC_CTL_CTXINFO 0
> -#define GUC_CTL_CTXNUM_IN16_SHIFT 0
> -#define GUC_CTL_BASE_ADDR_SHIFT 12
> -
> -#define GUC_CTL_LOG_PARAMS 1
> +#define GUC_CTL_LOG_PARAMS 0
> #define GUC_LOG_VALID (1 << 0)
> #define GUC_LOG_NOTIFY_ON_HALF_FULL (1 << 1)
> #define GUC_LOG_ALLOC_IN_MEGABYTE (1 << 3)
> @@ -79,11 +74,11 @@
> #define GUC_LOG_ISR_MASK (0x7 << GUC_LOG_ISR_SHIFT)
> #define GUC_LOG_BUF_ADDR_SHIFT 12
>
> -#define GUC_CTL_WA 2
> -#define GUC_CTL_FEATURE 3
> +#define GUC_CTL_WA 1
> +#define GUC_CTL_FEATURE 2
> #define GUC_CTL_DISABLE_SCHEDULER (1 << 14)
>
> -#define GUC_CTL_DEBUG 4
> +#define GUC_CTL_DEBUG 3
> #define GUC_LOG_VERBOSITY_SHIFT 0
> #define GUC_LOG_VERBOSITY_LOW (0 << GUC_LOG_VERBOSITY_SHIFT)
> #define GUC_LOG_VERBOSITY_MED (1 << GUC_LOG_VERBOSITY_SHIFT)
> @@ -97,7 +92,7 @@
> #define GUC_LOG_DISABLED (1 << 6)
> #define GUC_PROFILE_ENABLED (1 << 7)
>
> -#define GUC_CTL_ADS 5
> +#define GUC_CTL_ADS 4
> #define GUC_ADS_ADDR_SHIFT 1
> #define GUC_ADS_ADDR_MASK (0xFFFFF << GUC_ADS_ADDR_SHIFT)
>
> @@ -369,7 +364,9 @@ struct guc_gt_system_info {
> u32 vdbox_enable_mask;
> u32 vdbox_sfc_support_mask;
> u32 vebox_enable_mask;
> - u32 reserved[9];
> + u32 reserved1;
> + u8 mapping_table[GUC_MAX_ENGINE_CLASSES][GUC_MAX_INSTANCES_PER_CLASS];
> + u32 reserved2[8];
> } __packed;
>
> /* Clients info */
> @@ -398,7 +395,8 @@ struct guc_ads {
> u32 control_data;
> u32 golden_context_lrca[GUC_MAX_ENGINE_CLASSES];
> u32 eng_state_size[GUC_MAX_ENGINE_CLASSES];
> - u32 reserved[16];
> + u32 private_data;
> + u32 reserved[15];
> } __packed;
>
> /* GuC logging structures */
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
> index 8ee0a0c7f447..791edd6db6bc 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
> @@ -43,15 +43,15 @@ void intel_uc_fw_change_status(struct intel_uc_fw *uc_fw,
> * features.
> */
> #define INTEL_UC_FIRMWARE_DEFS(fw_def, guc_def, huc_def) \
> - fw_def(TIGERLAKE, 0, guc_def(tgl, 35, 2, 0), huc_def(tgl, 7, 0, 3)) \
> - fw_def(ELKHARTLAKE, 0, guc_def(ehl, 33, 0, 4), huc_def(ehl, 9, 0, 0)) \
> - fw_def(ICELAKE, 0, guc_def(icl, 33, 0, 0), huc_def(icl, 9, 0, 0)) \
> - fw_def(COFFEELAKE, 5, guc_def(cml, 33, 0, 0), huc_def(cml, 4, 0, 0)) \
> - fw_def(COFFEELAKE, 0, guc_def(kbl, 33, 0, 0), huc_def(kbl, 4, 0, 0)) \
> - fw_def(GEMINILAKE, 0, guc_def(glk, 33, 0, 0), huc_def(glk, 4, 0, 0)) \
> - fw_def(KABYLAKE, 0, guc_def(kbl, 33, 0, 0), huc_def(kbl, 4, 0, 0)) \
> - fw_def(BROXTON, 0, guc_def(bxt, 33, 0, 0), huc_def(bxt, 2, 0, 0)) \
> - fw_def(SKYLAKE, 0, guc_def(skl, 33, 0, 0), huc_def(skl, 2, 0, 0))
> + fw_def(TIGERLAKE, 0, guc_def(tgl, 40, 0, 0), huc_def(tgl, 7, 0, 3)) \
> + fw_def(ELKHARTLAKE, 0, guc_def(ehl, 40, 0, 0), huc_def(ehl, 9, 0, 0)) \
> + fw_def(ICELAKE, 0, guc_def(icl, 40, 0, 0), huc_def(icl, 9, 0, 0)) \
> + fw_def(COFFEELAKE, 5, guc_def(cml, 40, 0, 0), huc_def(cml, 4, 0, 0)) \
> + fw_def(COFFEELAKE, 0, guc_def(kbl, 40, 0, 0), huc_def(kbl, 4, 0, 0)) \
> + fw_def(GEMINILAKE, 0, guc_def(glk, 40, 0, 0), huc_def(glk, 4, 0, 0)) \
> + fw_def(KABYLAKE, 0, guc_def(kbl, 40, 0, 0), huc_def(kbl, 4, 0, 0)) \
> + fw_def(BROXTON, 0, guc_def(bxt, 40, 0, 0), huc_def(bxt, 2, 0, 0)) \
> + fw_def(SKYLAKE, 0, guc_def(skl, 40, 0, 0), huc_def(skl, 2, 0, 0))
>
> #define __MAKE_UC_FW_PATH(prefix_, name_, major_, minor_, patch_) \
> "i915/" \
> @@ -362,6 +362,9 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
> }
> }
>
> + if (uc_fw->type == INTEL_UC_FW_TYPE_GUC)
> + uc_fw->private_data_size = css->private_data_size;
> +
> obj = i915_gem_object_create_shmem_from_data(i915, fw->data, fw->size);
> if (IS_ERR(obj)) {
> err = PTR_ERR(obj);
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
> index 1f30543d0d2d..7e6a21847660 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
> @@ -84,6 +84,8 @@ struct intel_uc_fw {
>
> u32 rsa_size;
> u32 ucode_size;
> +
> + u32 private_data_size;
> };
>
> #ifdef CONFIG_DRM_I915_DEBUG_GUC
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h
> index 029214cdedd5..e41ffc7a7fbc 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h
> @@ -69,7 +69,11 @@ struct uc_css_header {
> #define CSS_SW_VERSION_UC_MAJOR (0xFF << 16)
> #define CSS_SW_VERSION_UC_MINOR (0xFF << 8)
> #define CSS_SW_VERSION_UC_PATCH (0xFF << 0)
> - u32 reserved[14];
> + u32 reserved0[13];
> + union {
> + u32 private_data_size; /* only applies to GuC */
> + u32 reserved1;
> + };
> u32 header_info;
> } __packed;
> static_assert(sizeof(struct uc_css_header) == 128);
>
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