diff options
author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2018-02-13 15:00:30 +0300 |
---|---|---|
committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2018-03-01 10:18:18 +0300 |
commit | 798957aedbde21c6418c419708b765b102b341c7 (patch) | |
tree | ce1fd8d3c899fc663b18a1d849b5069ed54f347a /drivers/gpu/drm/omapdrm/dss/pll.c | |
parent | f33656e1fe5aba0ac0d35e18d90121dd894611ca (diff) | |
download | linux-798957aedbde21c6418c419708b765b102b341c7.tar.xz |
drm: omapdrm: dss: Store the registered plls array in struct dss_device
As part of an effort to remove the usage of global variables in the
driver, store the registered plls array in the dss_device structure
instead of a global variable.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/pll.c')
-rw-r--r-- | drivers/gpu/drm/omapdrm/dss/pll.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/pll.c b/drivers/gpu/drm/omapdrm/dss/pll.c index ecb03277d831..078b0e8216c3 100644 --- a/drivers/gpu/drm/omapdrm/dss/pll.c +++ b/drivers/gpu/drm/omapdrm/dss/pll.c @@ -35,15 +35,14 @@ #define PLL_SSC_CONFIGURATION2 0x001C #define PLL_CONFIGURATION4 0x0020 -static struct dss_pll *dss_plls[4]; - -int dss_pll_register(struct dss_pll *pll) +int dss_pll_register(struct dss_device *dss, struct dss_pll *pll) { int i; - for (i = 0; i < ARRAY_SIZE(dss_plls); ++i) { - if (!dss_plls[i]) { - dss_plls[i] = pll; + for (i = 0; i < ARRAY_SIZE(dss->plls); ++i) { + if (!dss->plls[i]) { + dss->plls[i] = pll; + pll->dss = dss; return 0; } } @@ -53,29 +52,32 @@ int dss_pll_register(struct dss_pll *pll) void dss_pll_unregister(struct dss_pll *pll) { + struct dss_device *dss = pll->dss; int i; - for (i = 0; i < ARRAY_SIZE(dss_plls); ++i) { - if (dss_plls[i] == pll) { - dss_plls[i] = NULL; + for (i = 0; i < ARRAY_SIZE(dss->plls); ++i) { + if (dss->plls[i] == pll) { + dss->plls[i] = NULL; + pll->dss = NULL; return; } } } -struct dss_pll *dss_pll_find(const char *name) +struct dss_pll *dss_pll_find(struct dss_device *dss, const char *name) { int i; - for (i = 0; i < ARRAY_SIZE(dss_plls); ++i) { - if (dss_plls[i] && strcmp(dss_plls[i]->name, name) == 0) - return dss_plls[i]; + for (i = 0; i < ARRAY_SIZE(dss->plls); ++i) { + if (dss->plls[i] && strcmp(dss->plls[i]->name, name) == 0) + return dss->plls[i]; } return NULL; } -struct dss_pll *dss_pll_find_by_src(enum dss_clk_source src) +struct dss_pll *dss_pll_find_by_src(struct dss_device *dss, + enum dss_clk_source src) { struct dss_pll *pll; @@ -85,22 +87,22 @@ struct dss_pll *dss_pll_find_by_src(enum dss_clk_source src) return NULL; case DSS_CLK_SRC_HDMI_PLL: - return dss_pll_find("hdmi"); + return dss_pll_find(dss, "hdmi"); case DSS_CLK_SRC_PLL1_1: case DSS_CLK_SRC_PLL1_2: case DSS_CLK_SRC_PLL1_3: - pll = dss_pll_find("dsi0"); + pll = dss_pll_find(dss, "dsi0"); if (!pll) - pll = dss_pll_find("video0"); + pll = dss_pll_find(dss, "video0"); return pll; case DSS_CLK_SRC_PLL2_1: case DSS_CLK_SRC_PLL2_2: case DSS_CLK_SRC_PLL2_3: - pll = dss_pll_find("dsi1"); + pll = dss_pll_find(dss, "dsi1"); if (!pll) - pll = dss_pll_find("video1"); + pll = dss_pll_find(dss, "video1"); return pll; } } |