On Fri, 16 Nov 2018, Lucas De Marchi <lucas.demarchi@xxxxxxxxx> wrote:
> Like it was done in commit 9e180d9991dc ("drm/i915: Downgrade unknown
> firmware warnings") for huc and guc: downgrade CSR firmware warnings. If
> we have released no firmware yet for a platform, stop scaring the
> consumer and merely note its expected absence.
>
> By simply removing the warning and early return we hit the condition
> with the appropriate message.
>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
*sigh*
This patch would not have been needed at all with patch 1/2.
The point was that we shouldn't proceed without the max fw size
set. Even with the module parameter. Because that would fail at the
firmware loading stage later.
If the warn was such a big deal, it should've been changed to a debug
message with an early return, not removed.
BR,
Jani.
> ---
> drivers/gpu/drm/i915/intel_csr.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c
> index b4476d891fa3..a516697bf57d 100644
> --- a/drivers/gpu/drm/i915/intel_csr.c
> +++ b/drivers/gpu/drm/i915/intel_csr.c
> @@ -496,9 +496,6 @@ void intel_csr_ucode_init(struct drm_i915_private *dev_priv)
> csr->fw_path = BXT_CSR_PATH;
> csr->required_version = BXT_CSR_VERSION_REQUIRED;
> csr->max_fw_size = BXT_CSR_MAX_FW_SIZE;
> - } else {
> - MISSING_CASE(INTEL_REVID(dev_priv));
> - return;
> }
>
> if (i915_modparams.dmc_firmware_path) {
--
Jani Nikula, Intel Open Source Graphics Center
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