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-rw-r--r--drivers/gpu/drm/gma500/mdfld_device.c129
1 files changed, 46 insertions, 83 deletions
diff --git a/drivers/gpu/drm/gma500/mdfld_device.c b/drivers/gpu/drm/gma500/mdfld_device.c
index 72686171b2f1..ef71ed6a22b0 100644
--- a/drivers/gpu/drm/gma500/mdfld_device.c
+++ b/drivers/gpu/drm/gma500/mdfld_device.c
@@ -169,6 +169,7 @@ static int mdfld_save_display_registers(struct drm_device *dev, int pipenum)
struct medfield_state *regs = &dev_priv->regs.mdfld;
struct psb_pipe *pipe = &dev_priv->regs.pipe[pipenum];
int i;
+ u32 *mipi_val;
/* register */
u32 dpll_reg = MRST_DPLL_A;
@@ -192,33 +193,13 @@ static int mdfld_save_display_registers(struct drm_device *dev, int pipenum)
u32 dspstatus_reg = PIPEASTAT;
u32 palette_reg = PALETTE_A;
- /* pointer to values */
- u32 *dpll_val = &pipe->dpll;
- u32 *fp_val = &pipe->fp0;
- u32 *pipeconf_val = &pipe->conf;
- u32 *htot_val = &pipe->htotal;
- u32 *hblank_val = &pipe->hblank;
- u32 *hsync_val = &pipe->hsync;
- u32 *vtot_val = &pipe->vtotal;
- u32 *vblank_val = &pipe->vblank;
- u32 *vsync_val = &pipe->vsync;
- u32 *pipesrc_val = &pipe->src;
- u32 *dspstride_val = &pipe->stride;
- u32 *dsplinoff_val = &pipe->linoff;
- u32 *dsptileoff_val = &pipe->tileoff;
- u32 *dspsize_val = &pipe->size;
- u32 *dsppos_val = &pipe->pos;
- u32 *dspsurf_val = &pipe->surf;
- u32 *mipi_val = &regs->saveMIPI;
- u32 *dspcntr_val = &pipe->cntr;
- u32 *dspstatus_val = &pipe->status;
- u32 *palette_val = pipe->palette;
-
switch (pipenum) {
case 0:
+ mipi_val = &regs->saveMIPI;
break;
case 1:
- /* regester */
+ mipi_val = &regs->saveMIPI;
+ /* register */
dpll_reg = MDFLD_DPLL_B;
fp_reg = MDFLD_DPLL_DIV0;
pipeconf_reg = PIPEBCONF;
@@ -269,28 +250,28 @@ static int mdfld_save_display_registers(struct drm_device *dev, int pipenum)
}
/* Pipe & plane A info */
- *dpll_val = PSB_RVDC32(dpll_reg);
- *fp_val = PSB_RVDC32(fp_reg);
- *pipeconf_val = PSB_RVDC32(pipeconf_reg);
- *htot_val = PSB_RVDC32(htot_reg);
- *hblank_val = PSB_RVDC32(hblank_reg);
- *hsync_val = PSB_RVDC32(hsync_reg);
- *vtot_val = PSB_RVDC32(vtot_reg);
- *vblank_val = PSB_RVDC32(vblank_reg);
- *vsync_val = PSB_RVDC32(vsync_reg);
- *pipesrc_val = PSB_RVDC32(pipesrc_reg);
- *dspstride_val = PSB_RVDC32(dspstride_reg);
- *dsplinoff_val = PSB_RVDC32(dsplinoff_reg);
- *dsptileoff_val = PSB_RVDC32(dsptileoff_reg);
- *dspsize_val = PSB_RVDC32(dspsize_reg);
- *dsppos_val = PSB_RVDC32(dsppos_reg);
- *dspsurf_val = PSB_RVDC32(dspsurf_reg);
- *dspcntr_val = PSB_RVDC32(dspcntr_reg);
- *dspstatus_val = PSB_RVDC32(dspstatus_reg);
+ pipe->dpll = PSB_RVDC32(dpll_reg);
+ pipe->fp0 = PSB_RVDC32(fp_reg);
+ pipe->conf = PSB_RVDC32(pipeconf_reg);
+ pipe->htotal = PSB_RVDC32(htot_reg);
+ pipe->hblank = PSB_RVDC32(hblank_reg);
+ pipe->hsync = PSB_RVDC32(hsync_reg);
+ pipe->vtotal = PSB_RVDC32(vtot_reg);
+ pipe->vblank = PSB_RVDC32(vblank_reg);
+ pipe->vsync = PSB_RVDC32(vsync_reg);
+ pipe->src = PSB_RVDC32(pipesrc_reg);
+ pipe->stride = PSB_RVDC32(dspstride_reg);
+ pipe->linoff = PSB_RVDC32(dsplinoff_reg);
+ pipe->tileoff = PSB_RVDC32(dsptileoff_reg);
+ pipe->size = PSB_RVDC32(dspsize_reg);
+ pipe->pos = PSB_RVDC32(dsppos_reg);
+ pipe->surf = PSB_RVDC32(dspsurf_reg);
+ pipe->cntr = PSB_RVDC32(dspcntr_reg);
+ pipe->status = PSB_RVDC32(dspstatus_reg);
/*save palette (gamma) */
for (i = 0; i < 256; i++)
- palette_val[i] = PSB_RVDC32(palette_reg + (i << 2));
+ pipe->palette[i] = PSB_RVDC32(palette_reg + (i << 2));
if (pipenum == 1) {
regs->savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL);
@@ -321,8 +302,8 @@ static int mdfld_restore_display_registers(struct drm_device *dev, int pipenum)
struct mdfld_dsi_config *dsi_config = NULL;
struct medfield_state *regs = &dev_priv->regs.mdfld;
struct psb_pipe *pipe = &dev_priv->regs.pipe[pipenum];
- u32 i = 0;
- u32 dpll = 0;
+ u32 i;
+ u32 dpll;
u32 timeout = 0;
/* register */
@@ -349,25 +330,7 @@ static int mdfld_restore_display_registers(struct drm_device *dev, int pipenum)
/* values */
u32 dpll_val = pipe->dpll;
- u32 fp_val = pipe->fp0;
- u32 pipeconf_val = pipe->conf;
- u32 htot_val = pipe->htotal;
- u32 hblank_val = pipe->hblank;
- u32 hsync_val = pipe->hsync;
- u32 vtot_val = pipe->vtotal;
- u32 vblank_val = pipe->vblank;
- u32 vsync_val = pipe->vsync;
- u32 pipesrc_val = pipe->src;
- u32 dspstride_val = pipe->stride;
- u32 dsplinoff_val = pipe->linoff;
- u32 dsptileoff_val = pipe->tileoff;
- u32 dspsize_val = pipe->size;
- u32 dsppos_val = pipe->pos;
- u32 dspsurf_val = pipe->surf;
- u32 dspstatus_val = pipe->status;
u32 mipi_val = regs->saveMIPI;
- u32 dspcntr_val = pipe->cntr;
- u32 *palette_val = pipe->palette;
switch (pipenum) {
case 0:
@@ -436,7 +399,7 @@ static int mdfld_restore_display_registers(struct drm_device *dev, int pipenum)
PSB_WVDC32(dpll_val & ~DPLL_VCO_ENABLE, dpll_reg);
PSB_RVDC32(dpll_reg);
- PSB_WVDC32(fp_val, fp_reg);
+ PSB_WVDC32(pipe->fp0, fp_reg);
} else {
dpll = PSB_RVDC32(dpll_reg);
@@ -452,7 +415,7 @@ static int mdfld_restore_display_registers(struct drm_device *dev, int pipenum)
udelay(500);
}
- PSB_WVDC32(fp_val, fp_reg);
+ PSB_WVDC32(pipe->fp0, fp_reg);
PSB_WVDC32(dpll_val, dpll_reg);
/* FIXME_MDFLD PO - change 500 to 1 after PO */
udelay(500);
@@ -476,28 +439,28 @@ static int mdfld_restore_display_registers(struct drm_device *dev, int pipenum)
}
}
/* Restore mode */
- PSB_WVDC32(htot_val, htot_reg);
- PSB_WVDC32(hblank_val, hblank_reg);
- PSB_WVDC32(hsync_val, hsync_reg);
- PSB_WVDC32(vtot_val, vtot_reg);
- PSB_WVDC32(vblank_val, vblank_reg);
- PSB_WVDC32(vsync_val, vsync_reg);
- PSB_WVDC32(pipesrc_val, pipesrc_reg);
- PSB_WVDC32(dspstatus_val, dspstatus_reg);
+ PSB_WVDC32(pipe->htotal, htot_reg);
+ PSB_WVDC32(pipe->hblank, hblank_reg);
+ PSB_WVDC32(pipe->hsync, hsync_reg);
+ PSB_WVDC32(pipe->vtotal, vtot_reg);
+ PSB_WVDC32(pipe->vblank, vblank_reg);
+ PSB_WVDC32(pipe->vsync, vsync_reg);
+ PSB_WVDC32(pipe->src, pipesrc_reg);
+ PSB_WVDC32(pipe->status, dspstatus_reg);
/*set up the plane*/
- PSB_WVDC32(dspstride_val, dspstride_reg);
- PSB_WVDC32(dsplinoff_val, dsplinoff_reg);
- PSB_WVDC32(dsptileoff_val, dsptileoff_reg);
- PSB_WVDC32(dspsize_val, dspsize_reg);
- PSB_WVDC32(dsppos_val, dsppos_reg);
- PSB_WVDC32(dspsurf_val, dspsurf_reg);
+ PSB_WVDC32(pipe->stride, dspstride_reg);
+ PSB_WVDC32(pipe->linoff, dsplinoff_reg);
+ PSB_WVDC32(pipe->tileoff, dsptileoff_reg);
+ PSB_WVDC32(pipe->size, dspsize_reg);
+ PSB_WVDC32(pipe->pos, dsppos_reg);
+ PSB_WVDC32(pipe->surf, dspsurf_reg);
if (pipenum == 1) {
/* restore palette (gamma) */
/*DRM_UDELAY(50000); */
for (i = 0; i < 256; i++)
- PSB_WVDC32(palette_val[i], palette_reg + (i << 2));
+ PSB_WVDC32(pipe->palette[i], palette_reg + (i << 2));
PSB_WVDC32(regs->savePFIT_CONTROL, PFIT_CONTROL);
PSB_WVDC32(regs->savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS);
@@ -507,7 +470,7 @@ static int mdfld_restore_display_registers(struct drm_device *dev, int pipenum)
/*TODO: resume pipe*/
/*enable the plane*/
- PSB_WVDC32(dspcntr_val & ~DISPLAY_PLANE_ENABLE, dspcntr_reg);
+ PSB_WVDC32(pipe->cntr & ~DISPLAY_PLANE_ENABLE, dspcntr_reg);
return 0;
}
@@ -525,7 +488,7 @@ static int mdfld_restore_display_registers(struct drm_device *dev, int pipenum)
msleep(20);
/*enable the plane*/
- PSB_WVDC32(dspcntr_val, dspcntr_reg);
+ PSB_WVDC32(pipe->cntr, dspcntr_reg);
if (in_atomic() || in_interrupt())
mdelay(20);
@@ -554,12 +517,12 @@ static int mdfld_restore_display_registers(struct drm_device *dev, int pipenum)
mdelay(1);
/*enable the pipe*/
- PSB_WVDC32(pipeconf_val, pipeconf_reg);
+ PSB_WVDC32(pipe->conf, pipeconf_reg);
/* restore palette (gamma) */
/*DRM_UDELAY(50000); */
for (i = 0; i < 256; i++)
- PSB_WVDC32(palette_val[i], palette_reg + (i << 2));
+ PSB_WVDC32(pipe->palette[i], palette_reg + (i << 2));
return 0;
}
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