On to, 2015-04-16 at 12:25 +0300, Imre Deak wrote:
> On to, 2015-04-16 at 14:22 +0530, Animesh Manna wrote:
> > [...]
> > @@ -223,11 +244,13 @@ static void finish_csr_load(const struct firmware *fw, void *context)
> >
> > if (!fw) {
> > i915_firmware_load_error_print(csr->fw_path, 0);
> > + intel_csr_load_status_set(dev_priv, FW_FAILED);
> > goto out;
> > }
> >
> > if ((stepping == -ENODATA) || (substepping == -ENODATA)) {
> > DRM_ERROR("Unknown stepping info, firmware loading failed\n");
> > + intel_csr_load_status_set(dev_priv, FW_FAILED);
> > goto out;
> > }
> >
> > @@ -237,6 +260,7 @@ static void finish_csr_load(const struct firmware *fw, void *context)
> > (css_header->header_len * 4)) {
> > DRM_ERROR("Firmware has wrong CSS header length %u bytes\n",
> > (css_header->header_len * 4));
> > + intel_csr_load_status_set(dev_priv, FW_FAILED);
> > goto out;
> > }
> > readcount += sizeof(struct intel_css_header);
> > @@ -248,6 +272,7 @@ static void finish_csr_load(const struct firmware *fw, void *context)
> > (package_header->header_len * 4)) {
> > DRM_ERROR("Firmware has wrong package header length %u bytes\n",
> > (package_header->header_len * 4));
> > + intel_csr_load_status_set(dev_priv, FW_FAILED);
> > goto out;
> > }
> > readcount += sizeof(struct intel_package_header);
> > @@ -268,6 +293,7 @@ static void finish_csr_load(const struct firmware *fw, void *context)
> > }
> > if (dmc_offset == CSR_DEFAULT_FW_OFFSET) {
> > DRM_ERROR("Firmware not supported for %c stepping\n", stepping);
> > + intel_csr_load_status_set(dev_priv, FW_FAILED);
> > goto out;
> > }
> > readcount += dmc_offset;
> > @@ -277,6 +303,7 @@ static void finish_csr_load(const struct firmware *fw, void *context)
> > if (sizeof(struct intel_dmc_header) != (dmc_header->header_len)) {
> > DRM_ERROR("Firmware has wrong dmc header length %u bytes\n",
> > (dmc_header->header_len));
> > + intel_csr_load_status_set(dev_priv, FW_FAILED);
> > goto out;
> > }
> > readcount += sizeof(struct intel_dmc_header);
> > @@ -285,6 +312,7 @@ static void finish_csr_load(const struct firmware *fw, void *context)
> > if (dmc_header->mmio_count > ARRAY_SIZE(csr->mmioaddr)) {
> > DRM_ERROR("Firmware has wrong mmio count %u\n",
> > dmc_header->mmio_count);
> > + intel_csr_load_status_set(dev_priv, FW_FAILED);
> > goto out;
> > }
> > csr->mmio_count = dmc_header->mmio_count;
> > @@ -293,6 +321,7 @@ static void finish_csr_load(const struct firmware *fw, void *context)
> > dmc_header->mmioaddr[i] > CSR_MMIO_END_RANGE) {
> > DRM_ERROR(" Firmware has wrong mmio address 0x%x\n",
> > dmc_header->mmioaddr[i]);
> > + intel_csr_load_status_set(dev_priv, FW_FAILED);
> > goto out;
> > }
> > csr->mmioaddr[i] = dmc_header->mmioaddr[i];
> > @@ -303,6 +332,7 @@ static void finish_csr_load(const struct firmware *fw, void *context)
> > nbytes = dmc_header->fw_size * 4;
> > if (nbytes > CSR_MAX_FW_SIZE) {
> > DRM_ERROR("CSR firmware too big (%u) bytes\n", nbytes);
> > + intel_csr_load_status_set(dev_priv, FW_FAILED);
> > goto out;
> > }
> > csr->dmc_fw_size = dmc_header->fw_size;
> > @@ -310,6 +340,7 @@ static void finish_csr_load(const struct firmware *fw, void *context)
> > csr->dmc_payload = kmalloc(nbytes, GFP_KERNEL);
> > if (!csr->dmc_payload) {
> > DRM_ERROR("Memory allocation failed for dmc payload\n");
> > + intel_csr_load_status_set(dev_priv, FW_FAILED);
> > goto out;
> > }
> >
> > @@ -327,6 +358,11 @@ static void finish_csr_load(const struct firmware *fw, void *context)
> > /* load csr program during system boot, as needed for DC states */
> > intel_csr_load_program(dev);
> > out:
Also, since you have to anyway change the patch: could you replace all
the above intel_csr_load_status_set(dev_priv, FW_FAILED); with one here
using a fw_loaded bool that you set after intel_csr_load_program?
> > + /*
> > + * Release the runtime pm reference obtained when
> > + * CSR wasn't loaded.
> > + */
> > + intel_runtime_pm_put(dev_priv);
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