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drm/i915: Demote user facing DMC firmware load failure message

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This is an expected error given the lack of the firmware so emit it at
KERN_NOTICE and not KERN_ERROR. Also include the firmware URL in the
user facing message so that the user can investigate and fix the issue
on their own, and also explain the consequence in plain language.

The complete failure message, including the first line from the firmware
loader, becomes

i915 0000:00:02.0: Direct firmware load for i915/skl_dmc_ver1.bin failed with error -2
i915 0000:00:02.0: Failed to load DMC firmware [https://01.org/linuxgraphics/intel-linux-graphics-firmwares], disabling runtime power management.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Sunil Kamath <sunil.kamath@intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Animesh Manna <animesh.manna@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1452706695-13518-1-git-send-email-chris@chris-wilson.co.uk
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson 2016-01-13 17:38:15 +00:00 committed by Daniel Vetter
parent aa45950bac
commit cbfc2d26ac
1 changed files with 7 additions and 2 deletions
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9
drivers/gpu/drm/i915/intel_csr.c
View File

@ -44,6 +44,8 @@
#define I915_CSR_SKL "i915/skl_dmc_ver1.bin"
#define I915_CSR_BXT "i915/bxt_dmc_ver1.bin"
#define FIRMWARE_URL "https://01.org/linuxgraphics/intel-linux-graphics-firmwares"
MODULE_FIRMWARE(I915_CSR_SKL);
MODULE_FIRMWARE(I915_CSR_BXT);
@ -282,7 +284,7 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv,
csr->version < SKL_CSR_VERSION_REQUIRED) {
DRM_INFO("Refusing to load old Skylake DMC firmware v%u.%u,"
" please upgrade to v%u.%u or later"
" [https://01.org/linuxgraphics/intel-linux-graphics-firmwares].\n",
" [" FIRMWARE_URL "].\n",
CSR_VERSION_MAJOR(csr->version),
CSR_VERSION_MINOR(csr->version),
CSR_VERSION_MAJOR(SKL_CSR_VERSION_REQUIRED),
@ -400,7 +402,10 @@ static void csr_load_work_fn(struct work_struct *work)
CSR_VERSION_MAJOR(csr->version),
CSR_VERSION_MINOR(csr->version));
} else {
DRM_ERROR("Failed to load DMC firmware, disabling rpm\n");
dev_notice(dev_priv->dev->dev,
"Failed to load DMC firmware"
" [" FIRMWARE_URL "],"
" disabling runtime power management.\n");
}
release_firmware(fw);