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Commit 657b6245 authored by Marcin Kościelnicki's avatar Marcin Kościelnicki Committed by Ben Skeggs
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drm/nouveau: Kill global state in NvShadowBIOS 



Signed-off-by: default avatarMarcin Kościelnicki <koriakin@0x04.net>
Signed-off-by: default avatarMaarten Maathuis <madman2003@gmail.com>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent ef2bb506

drivers/gpu/drm/nouveau/nouveau_bios.c

+21 −26
Original line number Diff line number Diff line
@@ -181,43 +181,42 @@ struct methods { 
	const char desc[8];

	void (*loadbios)(struct drm_device *, uint8_t *);

	const bool rw;

	int score;

};



static struct methods nv04_methods[] = {

	{ "PROM", load_vbios_prom, false },

	{ "PRAMIN", load_vbios_pramin, true },

	{ "PCIROM", load_vbios_pci, true },

	{ }

};



static struct methods nv50_methods[] = {

	{ "PRAMIN", load_vbios_pramin, true },

	{ "PROM", load_vbios_prom, false },

	{ "PCIROM", load_vbios_pci, true },

	{ }

};



#define METHODCNT 3



static bool NVShadowVBIOS(struct drm_device *dev, uint8_t *data)

{

	struct drm_nouveau_private *dev_priv = dev->dev_private;

	struct methods *methods, *method;

	struct methods *methods;

	int i;

	int testscore = 3;

	int scores[METHODCNT];



	if (nouveau_vbios) {

		method = nv04_methods;

		while (method->loadbios) {

			if (!strcasecmp(nouveau_vbios, method->desc))

		methods = nv04_methods;

		for (i = 0; i < METHODCNT; i++)

			if (!strcasecmp(nouveau_vbios, methods[i].desc))

				break;

			method++;

		}



		if (method->loadbios) {

		if (i < METHODCNT) {

			NV_INFO(dev, "Attempting to use BIOS image from %s\n",

				method->desc);

				methods[i].desc);



			method->loadbios(dev, data);

			if (score_vbios(dev, data, method->rw))

			methods[i].loadbios(dev, data);

			if (score_vbios(dev, data, methods[i].rw))

				return true;

		}
@@ -229,28 +228,24 @@ static bool NVShadowVBIOS(struct drm_device *dev, uint8_t *data) 
	else

		methods = nv50_methods;



	method = methods;

	while (method->loadbios) {

	for (i = 0; i < METHODCNT; i++) {

		NV_TRACE(dev, "Attempting to load BIOS image from %s\n",

			 method->desc);

			 methods[i].desc);

		data[0] = data[1] = 0;	/* avoid reuse of previous image */

		method->loadbios(dev, data);

		method->score = score_vbios(dev, data, method->rw);

		if (method->score == testscore)

		methods[i].loadbios(dev, data);

		scores[i] = score_vbios(dev, data, methods[i].rw);

		if (scores[i] == testscore)

			return true;

		method++;

	}



	while (--testscore > 0) {

		method = methods;

		while (method->loadbios) {

			if (method->score == testscore) {

		for (i = 0; i < METHODCNT; i++) {

			if (scores[i] == testscore) {

				NV_TRACE(dev, "Using BIOS image from %s\n",

					 method->desc);

				method->loadbios(dev, data);

					 methods[i].desc);

				methods[i].loadbios(dev, data);

				return true;

			}

			method++;

		}

	}