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drm: omapdrm: dss: Store the registered plls array in struct dss_device

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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>
This commit is contained in:
Laurent Pinchart 2018-02-13 14:00:30 +02:00 committed by Tomi Valkeinen
parent f33656e1fe
commit 798957aedb
7 changed files with 40 additions and 38 deletions
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4
drivers/gpu/drm/omapdrm/dss/dispc.c
View File

@ -3123,7 +3123,7 @@ static unsigned long dispc_fclk_rate(void)
struct dss_pll *pll;
unsigned int clkout_idx;
pll = dss_pll_find_by_src(src);
pll = dss_pll_find_by_src(dispc.dss, src);
clkout_idx = dss_pll_get_clkout_idx_for_src(src);
r = pll->cinfo.clkout[clkout_idx];
@ -3150,7 +3150,7 @@ static unsigned long dispc_mgr_lclk_rate(enum omap_channel channel)
struct dss_pll *pll;
unsigned int clkout_idx;
pll = dss_pll_find_by_src(src);
pll = dss_pll_find_by_src(dispc.dss, src);
clkout_idx = dss_pll_get_clkout_idx_for_src(src);
r = pll->cinfo.clkout[clkout_idx];

17
drivers/gpu/drm/omapdrm/dss/dpi.c
View File

@ -58,7 +58,8 @@ static struct dpi_data *dpi_get_data_from_dssdev(struct omap_dss_device *dssdev)
return container_of(dssdev, struct dpi_data, output);
}
static enum dss_clk_source dpi_get_clk_src_dra7xx(enum omap_channel channel)
static enum dss_clk_source dpi_get_clk_src_dra7xx(struct dpi_data *dpi,
enum omap_channel channel)
{
/*
* Possible clock sources:
@ -70,23 +71,23 @@ static enum dss_clk_source dpi_get_clk_src_dra7xx(enum omap_channel channel)
switch (channel) {
case OMAP_DSS_CHANNEL_LCD:
{
if (dss_pll_find_by_src(DSS_CLK_SRC_PLL1_1))
if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_1))
return DSS_CLK_SRC_PLL1_1;
break;
}
case OMAP_DSS_CHANNEL_LCD2:
{
if (dss_pll_find_by_src(DSS_CLK_SRC_PLL1_3))
if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_3))
return DSS_CLK_SRC_PLL1_3;
if (dss_pll_find_by_src(DSS_CLK_SRC_PLL2_3))
if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL2_3))
return DSS_CLK_SRC_PLL2_3;
break;
}
case OMAP_DSS_CHANNEL_LCD3:
{
if (dss_pll_find_by_src(DSS_CLK_SRC_PLL2_1))
if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL2_1))
return DSS_CLK_SRC_PLL2_1;
if (dss_pll_find_by_src(DSS_CLK_SRC_PLL1_3))
if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_3))
return DSS_CLK_SRC_PLL1_3;
break;
}
@ -133,7 +134,7 @@ static enum dss_clk_source dpi_get_clk_src(struct dpi_data *dpi)
}
case DSS_MODEL_DRA7:
return dpi_get_clk_src_dra7xx(channel);
return dpi_get_clk_src_dra7xx(dpi, channel);
default:
return DSS_CLK_SRC_FCK;
@ -605,7 +606,7 @@ static void dpi_init_pll(struct dpi_data *dpi)
dpi->clk_src = dpi_get_clk_src(dpi);
pll = dss_pll_find_by_src(dpi->clk_src);
pll = dss_pll_find_by_src(dpi->dss, dpi->clk_src);
if (!pll)
return;

3
drivers/gpu/drm/omapdrm/dss/dsi.c
View File

@ -5353,9 +5353,8 @@ static int dsi_init_pll_data(struct dss_device *dss,
pll->base = dsi->pll_base;
pll->hw = dsi->data->pll_hw;
pll->ops = &dsi_pll_ops;
pll->dss = dss;
r = dss_pll_register(pll);
r = dss_pll_register(dss, pll);
if (r)
return r;

8
drivers/gpu/drm/omapdrm/dss/dss.h
View File

@ -267,6 +267,7 @@ struct dss_device {
struct dss_debugfs_entry *dss;
} debugfs;
struct dss_pll *plls[4];
struct dss_pll *video1_pll;
struct dss_pll *video2_pll;
};
@ -458,10 +459,11 @@ typedef bool (*dss_pll_calc_func)(int n, int m, unsigned long fint,
typedef bool (*dss_hsdiv_calc_func)(int m_dispc, unsigned long dispc,
void *data);
int dss_pll_register(struct dss_pll *pll);
int dss_pll_register(struct dss_device *dss, struct dss_pll *pll);
void dss_pll_unregister(struct dss_pll *pll);
struct dss_pll *dss_pll_find(const char *name);
struct dss_pll *dss_pll_find_by_src(enum dss_clk_source src);
struct dss_pll *dss_pll_find(struct dss_device *dss, const char *name);
struct dss_pll *dss_pll_find_by_src(struct dss_device *dss,
enum dss_clk_source src);
unsigned int dss_pll_get_clkout_idx_for_src(enum dss_clk_source src);
int dss_pll_enable(struct dss_pll *pll);
void dss_pll_disable(struct dss_pll *pll);

3
drivers/gpu/drm/omapdrm/dss/hdmi_pll.c
View File

@ -146,7 +146,6 @@ static int hdmi_init_pll_data(struct dss_device *dss,
pll->id = DSS_PLL_HDMI;
pll->base = hpll->base;
pll->clkin = clk;
pll->dss = dss;
if (hpll->wp->version == 4)
pll->hw = &dss_omap4_hdmi_pll_hw;
@ -155,7 +154,7 @@ static int hdmi_init_pll_data(struct dss_device *dss,
pll->ops = &hdmi_pll_ops;
r = dss_pll_register(pll);
r = dss_pll_register(dss, pll);
if (r)
return r;

40
drivers/gpu/drm/omapdrm/dss/pll.c
View File

@ -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;
}
}

3
drivers/gpu/drm/omapdrm/dss/video-pll.c
View File

@ -190,9 +190,8 @@ struct dss_pll *dss_video_pll_init(struct dss_device *dss,
pll->base = pll_base;
pll->hw = &dss_dra7_video_pll_hw;
pll->ops = &dss_pll_ops;
pll->dss = dss;
r = dss_pll_register(pll);
r = dss_pll_register(dss, pll);
if (r)
return ERR_PTR(r);