Commit 8fb60d1b authored by Thomas Zimmermann's avatar Thomas Zimmermann
Browse files

drm/mgag200: Declare PLL clock constants static const 



Move the PLL constants to the RO data section by declaring them as
static const. No functional changes.

Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Acked-by: default avatarSam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210714142240.21979-10-tzimmermann@suse.de
parent ac643ccd

drivers/gpu/drm/mgag200/mgag200_mode.c

+31 −44
Original line number Diff line number Diff line
@@ -209,17 +209,16 @@ static void mgag200_set_pixpll_g200(struct mga_device *mdev, 
static int mgag200_compute_pixpll_values_g200se_00(struct mga_device *mdev, long clock,

						   struct mgag200_pll_values *pixpllc)

{

	unsigned int vcomax, vcomin, pllreffreq;

	static const unsigned int vcomax = 320000;

	static const unsigned int vcomin = 160000;

	static const unsigned int pllreffreq = 25000;



	unsigned int delta, tmpdelta, permitteddelta;

	unsigned int testp, testm, testn;

	unsigned int p, m, n, s;

	unsigned int computed;



	m = n = p = s = 0;



	vcomax = 320000;

	vcomin = 160000;

	pllreffreq = 25000;

	permitteddelta = clock * 5 / 1000;



	for (testp = 8; testp > 0; testp /= 2) {
@@ -261,9 +260,11 @@ static int mgag200_compute_pixpll_values_g200se_00(struct mga_device *mdev, long 
static int mgag200_compute_pixpll_values_g200se_04(struct mga_device *mdev, long clock,

						   struct mgag200_pll_values *pixpllc)

{

	static const unsigned int vcomax = 1600000;

	static const unsigned int vcomin = 800000;

	static const unsigned int pllreffreq = 25000;

	static const unsigned int pvalues_e4[] = {16, 14, 12, 10, 8, 6, 4, 2, 1};



	unsigned int vcomax, vcomin, pllreffreq;

	unsigned int delta, tmpdelta, permitteddelta;

	unsigned int testp, testm, testn;

	unsigned int p, m, n, s;
@@ -274,10 +275,6 @@ static int mgag200_compute_pixpll_values_g200se_04(struct mga_device *mdev, long 
	m = n = p = s = 0;

	delta = 0xffffffff;



	vcomax        = 1600000;

	vcomin        = 800000;

	pllreffreq    = 25000;



	if (clock < 25000)

		clock = 25000;

	clock = clock * 2;
@@ -373,7 +370,10 @@ static void mgag200_set_pixpll_g200se(struct mga_device *mdev, 
static int mgag200_compute_pixpll_values_g200wb(struct mga_device *mdev, long clock,

						struct mgag200_pll_values *pixpllc)

{

	unsigned int vcomax, vcomin, pllreffreq;

	static const unsigned int vcomax = 550000;

	static const unsigned int vcomin = 150000;

	static const unsigned int pllreffreq = 48000;



	unsigned int delta, tmpdelta;

	unsigned int testp, testm, testn;

	unsigned int p, m, n, s;
@@ -383,10 +383,6 @@ static int mgag200_compute_pixpll_values_g200wb(struct mga_device *mdev, long cl 


	delta = 0xffffffff;



	vcomax = 550000;

	vcomin = 150000;

	pllreffreq = 48000;



	for (testp = 1; testp < 9; testp++) {

		if (clock * testp > vcomax)

			continue;
@@ -538,17 +534,16 @@ static void mgag200_set_pixpll_g200wb(struct mga_device *mdev, 
static int mgag200_compute_pixpll_values_g200ev(struct mga_device *mdev, long clock,

						struct mgag200_pll_values *pixpllc)

{

	unsigned int vcomax, vcomin, pllreffreq;

	static const unsigned int vcomax = 550000;

	static const unsigned int vcomin = 150000;

	static const unsigned int pllreffreq = 50000;



	unsigned int delta, tmpdelta;

	unsigned int testp, testm, testn;

	unsigned int p, m, n, s;

	unsigned int computed;



	m = n = p = s = 0;

	vcomax = 550000;

	vcomin = 150000;

	pllreffreq = 50000;



	delta = 0xffffffff;



	for (testp = 16; testp > 0; testp--) {
@@ -654,18 +649,16 @@ static void mgag200_set_pixpll_g200ev(struct mga_device *mdev, 
static int mgag200_compute_pixpll_values_g200eh(struct mga_device *mdev, long clock,

						struct mgag200_pll_values *pixpllc)

{

	unsigned int vcomax, vcomin, pllreffreq;

	static const unsigned int vcomax = 800000;

	static const unsigned int vcomin = 400000;

	static const unsigned int pllreffreq = 33333;



	unsigned int delta, tmpdelta;

	unsigned int testp, testm, testn;

	unsigned int p, m, n, s;

	unsigned int computed;



	m = n = p = s = 0;



	vcomax = 800000;

	vcomin = 400000;

	pllreffreq = 33333;



	delta = 0xffffffff;



	for (testp = 16; testp > 0; testp >>= 1) {
@@ -770,20 +763,17 @@ static void mgag200_set_pixpll_g200eh(struct mga_device *mdev, 
static int mgag200_compute_pixpll_values_g200eh3(struct mga_device *mdev, long clock,

						 struct mgag200_pll_values *pixpllc)

{

	unsigned int vcomax, vcomin, pllreffreq;

	static const unsigned int vcomax = 3000000;

	static const unsigned int vcomin = 1500000;

	static const unsigned int pllreffreq = 25000;



	unsigned int delta, tmpdelta;

	unsigned int testp, testm, testn;

	unsigned int p, m, n, s;

	unsigned int computed;



	m = n = p = s = 0;



	vcomax = 3000000;

	vcomin = 1500000;

	pllreffreq = 25000;



	delta = 0xffffffff;



	testp = 0;



	for (testm = 150; testm >= 6; testm--) {
@@ -821,18 +811,17 @@ static int mgag200_compute_pixpll_values_g200eh3(struct mga_device *mdev, long c 
static int mgag200_compute_pixpll_values_g200er(struct mga_device *mdev, long clock,

						struct mgag200_pll_values *pixpllc)

{

	static const unsigned int vcomax = 1488000;

	static const unsigned int vcomin = 1056000;

	static const unsigned int pllreffreq = 48000;

	static const unsigned int m_div_val[] = { 1, 2, 4, 8 };

	unsigned int vcomax, vcomin, pllreffreq;



	unsigned int delta, tmpdelta;

	int testr, testn, testm, testo;

	unsigned int p, m, n, s;

	unsigned int computed, vco;



	m = n = p = s = 0;

	vcomax = 1488000;

	vcomin = 1056000;

	pllreffreq = 48000;



	delta = 0xffffffff;



	for (testr = 0; testr < 4; testr++) {
@@ -925,20 +914,18 @@ static void mgag200_set_pixpll_g200er(struct mga_device *mdev, 
static int mgag200_compute_pixpll_values_g200ew3(struct mga_device *mdev, long clock,

						 struct mgag200_pll_values *pixpllc)

{

	unsigned int vcomax, vcomin, pllreffreq;

	static const unsigned int vcomax = 800000;

	static const unsigned int vcomin = 400000;

	static const unsigned int pllreffreq = 25000;



	unsigned int delta, tmpdelta;

	unsigned int testp, testm, testn, testp2;

	unsigned int p, m, n, s;

	unsigned int computed;



	m = n = p = s = 0;



	delta = 0xffffffff;



	vcomax = 800000;

	vcomin = 400000;

	pllreffreq = 25000;



	for (testp = 1; testp < 8; testp++) {

		for (testp2 = 1; testp2 < 8; testp2++) {

			if (testp < testp2)