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Commit 4922d491 authored by Rodrigo Vivi's avatar Rodrigo Vivi
Browse files

drm/i915/kbl: Introduce the first official DMC for Kabylake. 



Version 1.01.

This firmware is made for Kabylake platform so it doesn't
need the stepping workaround that we had before.

v2: Rebased on top of latest nightly with min version
    required change.
v3: With right CSR_VERSION (Patrik).

Cc: Christophe Prigent <christophe.prigent@intel.com>
Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Reviewed-by: Ben Widawsky <benjamin.widawsky@intel.com> (v1)
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: default avatarPatrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461707991-15336-1-git-send-email-rodrigo.vivi@intel.com
parent cba6dba4

drivers/gpu/drm/i915/intel_csr.c

+19 −11
Original line number Diff line number Diff line
@@ -41,16 +41,22 @@ 
 * be moved to FW_FAILED.

 */



#define I915_CSR_KBL "i915/kbl_dmc_ver1.bin"

MODULE_FIRMWARE(I915_CSR_KBL);

#define KBL_CSR_VERSION_REQUIRED	CSR_VERSION(1, 1)



#define I915_CSR_SKL "i915/skl_dmc_ver1.bin"

MODULE_FIRMWARE(I915_CSR_SKL);

#define SKL_CSR_VERSION_REQUIRED	CSR_VERSION(1, 23)



#define I915_CSR_BXT "i915/bxt_dmc_ver1.bin"

MODULE_FIRMWARE(I915_CSR_BXT);

#define BXT_CSR_VERSION_REQUIRED	CSR_VERSION(1, 7)



#define FIRMWARE_URL  "https://01.org/linuxgraphics/intel-linux-graphics-firmwares"



MODULE_FIRMWARE(I915_CSR_SKL);

MODULE_FIRMWARE(I915_CSR_BXT);



#define SKL_CSR_VERSION_REQUIRED	CSR_VERSION(1, 23)

#define BXT_CSR_VERSION_REQUIRED	CSR_VERSION(1, 7)





#define CSR_MAX_FW_SIZE			0x2FFF

#define CSR_DEFAULT_FW_OFFSET		0xFFFFFFFF
@@ -169,12 +175,10 @@ struct stepping_info { 
	char substepping;

};



/*

 * Kabylake derivated from Skylake H0, so SKL H0

 * is the right firmware for KBL A0 (revid 0).

 */

static const struct stepping_info kbl_stepping_info[] = {

	{'H', '0'}, {'I', '0'}

	{'A', '0'}, {'B', '0'}, {'C', '0'},

	{'D', '0'}, {'E', '0'}, {'F', '0'},

	{'G', '0'}, {'H', '0'}, {'I', '0'},

};



static const struct stepping_info skl_stepping_info[] = {
@@ -298,7 +302,9 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, 


	csr->version = css_header->version;



	if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {

	if (IS_KABYLAKE(dev_priv)) {

		required_min_version = KBL_CSR_VERSION_REQUIRED;

	} else if (IS_SKYLAKE(dev_priv)) {

		required_min_version = SKL_CSR_VERSION_REQUIRED;

	} else if (IS_BROXTON(dev_priv)) {

		required_min_version = BXT_CSR_VERSION_REQUIRED;
@@ -446,7 +452,9 @@ void intel_csr_ucode_init(struct drm_i915_private *dev_priv) 
	if (!HAS_CSR(dev_priv))

		return;



	if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))

	if (IS_KABYLAKE(dev_priv))

		csr->fw_path = I915_CSR_KBL;

	else if (IS_SKYLAKE(dev_priv))

		csr->fw_path = I915_CSR_SKL;

	else if (IS_BROXTON(dev_priv))

		csr->fw_path = I915_CSR_BXT;