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| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-02-13 16:43:52 +0100 |
|---|---|---|
| committer | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-02-13 18:59:51 +0100 |
| commit | 3ed34c655210090f4105be1ba5ab5f8f1dccefe1 (patch) | |
| tree | c2203d27589613fad9fecfe29e95a6b4ab3073e7 /drivers/gpu/drm/xe/xe_mmio.c | |
| parent | 60da62fbe9afdb7f62800600e1095c5a49bb5546 (diff) | |
| download | linux-stable-3ed34c655210090f4105be1ba5ab5f8f1dccefe1.tar.gz linux-stable-3ed34c655210090f4105be1ba5ab5f8f1dccefe1.tar.bz2 linux-stable-3ed34c655210090f4105be1ba5ab5f8f1dccefe1.zip | |
drm/xe/vf: Don't check if LMEM is initialized if VF
It is PF driver responsibility to verify that LMEM was correctly
initialized, also VF drivers don't have access to GU_CNTL register.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240213154355.1221-6-michal.wajdeczko@intel.com
Diffstat (limited to 'drivers/gpu/drm/xe/xe_mmio.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_mmio.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_mmio.c b/drivers/gpu/drm/xe/xe_mmio.c index 5f6b53ea5528..e3db3a178760 100644 --- a/drivers/gpu/drm/xe/xe_mmio.c +++ b/drivers/gpu/drm/xe/xe_mmio.c @@ -20,6 +20,7 @@ #include "xe_gt_mcr.h" #include "xe_macros.h" #include "xe_module.h" +#include "xe_sriov.h" #include "xe_tile.h" #define XEHP_MTCFG_ADDR XE_REG(0x101800) @@ -363,13 +364,19 @@ static int xe_verify_lmem_ready(struct xe_device *xe) { struct xe_gt *gt = xe_root_mmio_gt(xe); + if (!IS_DGFX(xe)) + return 0; + + if (IS_SRIOV_VF(xe)) + return 0; + /* * The boot firmware initializes local memory and assesses its health. * If memory training fails, the punit will have been instructed to * keep the GT powered down; we won't be able to communicate with it * and we should not continue with driver initialization. */ - if (IS_DGFX(xe) && !(xe_mmio_read32(gt, GU_CNTL) & LMEM_INIT)) { + if (!(xe_mmio_read32(gt, GU_CNTL) & LMEM_INIT)) { drm_err(&xe->drm, "VRAM not initialized by firmware\n"); return -ENODEV; } |