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drm/xe: Split xe_info_init

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Parts of xe_info_init are only dealing with processing driver_data.
Extract it into xe_info_init_early to be able to use it earlier during
probe.

Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Michał Winiarski 2023-12-05 02:32:56 +01:00 committed by Rodrigo Vivi
parent a754391f9c
commit 4f5ee007f6
2 changed files with 49 additions and 34 deletions
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3
drivers/gpu/drm/xe/tests/xe_pci.c
View File

@ -143,7 +143,8 @@ int xe_pci_fake_device_init(struct xe_device *xe, enum xe_platform platform,
return -ENODEV;
done:
xe_info_init(xe, desc, subplatform_desc);
xe_info_init_early(xe, desc, subplatform_desc);
xe_info_init(xe, desc->graphics, desc->media);
return 0;
}

80
drivers/gpu/drm/xe/xe_pci.c
View File

@ -473,16 +473,13 @@ static void peek_gmdid(struct xe_device *xe, u32 gmdid_offset, u32 *ver, u32 *re
* media is optional.
*/
static void handle_pre_gmdid(struct xe_device *xe,
const struct xe_device_desc *desc,
const struct xe_graphics_desc **graphics,
const struct xe_media_desc **media)
const struct xe_graphics_desc *graphics,
const struct xe_media_desc *media)
{
*graphics = desc->graphics;
xe->info.graphics_verx100 = (*graphics)->ver * 100 + (*graphics)->rel;
xe->info.graphics_verx100 = graphics->ver * 100 + graphics->rel;
*media = desc->media;
if (*media)
xe->info.media_verx100 = (*media)->ver * 100 + (*media)->rel;
if (media)
xe->info.media_verx100 = media->ver * 100 + media->rel;
}
@ -491,7 +488,6 @@ static void handle_pre_gmdid(struct xe_device *xe,
* based on the result.
*/
static void handle_gmdid(struct xe_device *xe,
const struct xe_device_desc *desc,
const struct xe_graphics_desc **graphics,
const struct xe_media_desc **media,
u32 *graphics_revid,
@ -535,32 +531,59 @@ static void handle_gmdid(struct xe_device *xe,
}
}
static int xe_info_init(struct xe_device *xe,
const struct xe_device_desc *desc,
const struct xe_subplatform_desc *subplatform_desc)
/*
* Initialize device info content that only depends on static driver_data
* passed to the driver at probe time from PCI ID table.
*/
static void xe_info_init_early(struct xe_device *xe,
const struct xe_device_desc *desc,
const struct xe_subplatform_desc *subplatform_desc)
{
xe->info.platform = desc->platform;
xe->info.subplatform = subplatform_desc ?
subplatform_desc->subplatform : XE_SUBPLATFORM_NONE;
xe->info.is_dgfx = desc->is_dgfx;
xe->info.has_heci_gscfi = desc->has_heci_gscfi;
xe->info.has_llc = desc->has_llc;
xe->info.has_sriov = desc->has_sriov;
xe->info.skip_mtcfg = desc->skip_mtcfg;
xe->info.skip_pcode = desc->skip_pcode;
xe->info.supports_mmio_ext = desc->supports_mmio_ext;
xe->info.skip_guc_pc = desc->skip_guc_pc;
xe->info.enable_display = IS_ENABLED(CONFIG_DRM_XE_DISPLAY) &&
xe_modparam.enable_display &&
desc->has_display;
}
/*
* Initialize device info content that does require knowledge about
* graphics / media IP version.
* Make sure that GT / tile structures allocated by the driver match the data
* present in device info.
*/
static int xe_info_init(struct xe_device *xe,
const struct xe_graphics_desc *graphics_desc,
const struct xe_media_desc *media_desc)
{
const struct xe_graphics_desc *graphics_desc = NULL;
const struct xe_media_desc *media_desc = NULL;
u32 graphics_gmdid_revid = 0, media_gmdid_revid = 0;
struct xe_tile *tile;
struct xe_gt *gt;
u8 id;
xe->info.platform = desc->platform;
xe->info.subplatform = subplatform_desc ?
subplatform_desc->subplatform : XE_SUBPLATFORM_NONE;
/*
* If this platform supports GMD_ID, we'll detect the proper IP
* descriptor to use from hardware registers. desc->graphics will only
* ever be set at this point for platforms before GMD_ID. In that case
* the IP descriptions and versions are simply derived from that.
*/
if (desc->graphics) {
handle_pre_gmdid(xe, desc, &graphics_desc, &media_desc);
if (graphics_desc) {
handle_pre_gmdid(xe, graphics_desc, media_desc);
xe->info.step = xe_step_pre_gmdid_get(xe);
} else {
handle_gmdid(xe, desc, &graphics_desc, &media_desc,
xe_assert(xe, !media_desc);
handle_gmdid(xe, &graphics_desc, &media_desc,
&graphics_gmdid_revid, &media_gmdid_revid);
xe->info.step = xe_step_gmdid_get(xe,
graphics_gmdid_revid,
@ -575,15 +598,8 @@ static int xe_info_init(struct xe_device *xe,
if (!graphics_desc)
return -ENODEV;
xe->info.is_dgfx = desc->is_dgfx;
xe->info.has_heci_gscfi = desc->has_heci_gscfi;
xe->info.graphics_name = graphics_desc->name;
xe->info.media_name = media_desc ? media_desc->name : "none";
xe->info.has_llc = desc->has_llc;
xe->info.has_sriov = desc->has_sriov;
xe->info.skip_mtcfg = desc->skip_mtcfg;
xe->info.skip_pcode = desc->skip_pcode;
xe->info.supports_mmio_ext = desc->supports_mmio_ext;
xe->info.tile_mmio_ext_size = graphics_desc->tile_mmio_ext_size;
xe->info.dma_mask_size = graphics_desc->dma_mask_size;
@ -594,11 +610,7 @@ static int xe_info_init(struct xe_device *xe,
xe->info.has_asid = graphics_desc->has_asid;
xe->info.has_flat_ccs = graphics_desc->has_flat_ccs;
xe->info.has_range_tlb_invalidation = graphics_desc->has_range_tlb_invalidation;
xe->info.skip_guc_pc = desc->skip_guc_pc;
xe->info.enable_display = IS_ENABLED(CONFIG_DRM_XE_DISPLAY) &&
xe_modparam.enable_display &&
desc->has_display;
/*
* All platforms have at least one primary GT. Any platform with media
* version 13 or higher has an additional dedicated media GT. And
@ -711,9 +723,11 @@ static int xe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_set_master(pdev);
xe_info_init_early(xe, desc, subplatform_desc);
xe_sriov_probe_early(xe, desc->has_sriov);
err = xe_info_init(xe, desc, subplatform_desc);
err = xe_info_init(xe, desc->graphics, desc->media);
if (err)
return err;