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: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210714142240.21979-10-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann
parent
ac643ccd30
commit
8fb60d1bcd
@ -209,17 +209,16 @@ static void mgag200_set_pixpll_g200(struct mga_device *mdev,
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static int mgag200_compute_pixpll_values_g200se_00(struct mga_device *mdev, long clock,
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struct mgag200_pll_values *pixpllc)
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{
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unsigned int vcomax, vcomin, pllreffreq;
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static const unsigned int vcomax = 320000;
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static const unsigned int vcomin = 160000;
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static const unsigned int pllreffreq = 25000;
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unsigned int delta, tmpdelta, permitteddelta;
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unsigned int testp, testm, testn;
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unsigned int p, m, n, s;
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unsigned int computed;
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m = n = p = s = 0;
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vcomax = 320000;
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vcomin = 160000;
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pllreffreq = 25000;
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permitteddelta = clock * 5 / 1000;
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for (testp = 8; testp > 0; testp /= 2) {
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@ -261,9 +260,11 @@ static int mgag200_compute_pixpll_values_g200se_00(struct mga_device *mdev, long
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static int mgag200_compute_pixpll_values_g200se_04(struct mga_device *mdev, long clock,
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struct mgag200_pll_values *pixpllc)
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{
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static const unsigned int vcomax = 1600000;
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static const unsigned int vcomin = 800000;
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static const unsigned int pllreffreq = 25000;
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static const unsigned int pvalues_e4[] = {16, 14, 12, 10, 8, 6, 4, 2, 1};
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unsigned int vcomax, vcomin, pllreffreq;
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unsigned int delta, tmpdelta, permitteddelta;
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unsigned int testp, testm, testn;
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unsigned int p, m, n, s;
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@ -274,10 +275,6 @@ static int mgag200_compute_pixpll_values_g200se_04(struct mga_device *mdev, long
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m = n = p = s = 0;
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delta = 0xffffffff;
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vcomax = 1600000;
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vcomin = 800000;
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pllreffreq = 25000;
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if (clock < 25000)
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clock = 25000;
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clock = clock * 2;
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@ -373,7 +370,10 @@ static void mgag200_set_pixpll_g200se(struct mga_device *mdev,
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static int mgag200_compute_pixpll_values_g200wb(struct mga_device *mdev, long clock,
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struct mgag200_pll_values *pixpllc)
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{
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unsigned int vcomax, vcomin, pllreffreq;
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static const unsigned int vcomax = 550000;
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static const unsigned int vcomin = 150000;
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static const unsigned int pllreffreq = 48000;
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unsigned int delta, tmpdelta;
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unsigned int testp, testm, testn;
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unsigned int p, m, n, s;
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@ -383,10 +383,6 @@ static int mgag200_compute_pixpll_values_g200wb(struct mga_device *mdev, long cl
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delta = 0xffffffff;
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vcomax = 550000;
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vcomin = 150000;
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pllreffreq = 48000;
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for (testp = 1; testp < 9; testp++) {
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if (clock * testp > vcomax)
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continue;
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@ -538,17 +534,16 @@ static void mgag200_set_pixpll_g200wb(struct mga_device *mdev,
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static int mgag200_compute_pixpll_values_g200ev(struct mga_device *mdev, long clock,
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struct mgag200_pll_values *pixpllc)
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{
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unsigned int vcomax, vcomin, pllreffreq;
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static const unsigned int vcomax = 550000;
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static const unsigned int vcomin = 150000;
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static const unsigned int pllreffreq = 50000;
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unsigned int delta, tmpdelta;
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unsigned int testp, testm, testn;
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unsigned int p, m, n, s;
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unsigned int computed;
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m = n = p = s = 0;
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vcomax = 550000;
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vcomin = 150000;
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pllreffreq = 50000;
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delta = 0xffffffff;
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for (testp = 16; testp > 0; testp--) {
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@ -654,18 +649,16 @@ static void mgag200_set_pixpll_g200ev(struct mga_device *mdev,
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static int mgag200_compute_pixpll_values_g200eh(struct mga_device *mdev, long clock,
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struct mgag200_pll_values *pixpllc)
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{
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unsigned int vcomax, vcomin, pllreffreq;
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static const unsigned int vcomax = 800000;
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static const unsigned int vcomin = 400000;
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static const unsigned int pllreffreq = 33333;
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unsigned int delta, tmpdelta;
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unsigned int testp, testm, testn;
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unsigned int p, m, n, s;
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unsigned int computed;
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m = n = p = s = 0;
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vcomax = 800000;
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vcomin = 400000;
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pllreffreq = 33333;
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delta = 0xffffffff;
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for (testp = 16; testp > 0; testp >>= 1) {
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@ -770,20 +763,17 @@ static void mgag200_set_pixpll_g200eh(struct mga_device *mdev,
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static int mgag200_compute_pixpll_values_g200eh3(struct mga_device *mdev, long clock,
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struct mgag200_pll_values *pixpllc)
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{
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unsigned int vcomax, vcomin, pllreffreq;
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static const unsigned int vcomax = 3000000;
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static const unsigned int vcomin = 1500000;
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static const unsigned int pllreffreq = 25000;
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unsigned int delta, tmpdelta;
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unsigned int testp, testm, testn;
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unsigned int p, m, n, s;
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unsigned int computed;
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m = n = p = s = 0;
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vcomax = 3000000;
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vcomin = 1500000;
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pllreffreq = 25000;
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delta = 0xffffffff;
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testp = 0;
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for (testm = 150; testm >= 6; testm--) {
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@ -821,18 +811,17 @@ static int mgag200_compute_pixpll_values_g200eh3(struct mga_device *mdev, long c
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static int mgag200_compute_pixpll_values_g200er(struct mga_device *mdev, long clock,
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struct mgag200_pll_values *pixpllc)
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{
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static const unsigned int vcomax = 1488000;
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static const unsigned int vcomin = 1056000;
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static const unsigned int pllreffreq = 48000;
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static const unsigned int m_div_val[] = { 1, 2, 4, 8 };
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unsigned int vcomax, vcomin, pllreffreq;
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unsigned int delta, tmpdelta;
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int testr, testn, testm, testo;
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unsigned int p, m, n, s;
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unsigned int computed, vco;
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m = n = p = s = 0;
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vcomax = 1488000;
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vcomin = 1056000;
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pllreffreq = 48000;
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delta = 0xffffffff;
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for (testr = 0; testr < 4; testr++) {
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@ -925,20 +914,18 @@ static void mgag200_set_pixpll_g200er(struct mga_device *mdev,
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static int mgag200_compute_pixpll_values_g200ew3(struct mga_device *mdev, long clock,
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struct mgag200_pll_values *pixpllc)
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{
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unsigned int vcomax, vcomin, pllreffreq;
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static const unsigned int vcomax = 800000;
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static const unsigned int vcomin = 400000;
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static const unsigned int pllreffreq = 25000;
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unsigned int delta, tmpdelta;
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unsigned int testp, testm, testn, testp2;
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unsigned int p, m, n, s;
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unsigned int computed;
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m = n = p = s = 0;
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delta = 0xffffffff;
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vcomax = 800000;
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vcomin = 400000;
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pllreffreq = 25000;
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for (testp = 1; testp < 8; testp++) {
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for (testp2 = 1; testp2 < 8; testp2++) {
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if (testp < testp2)
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