Signed-off-by: Russell King <rmk+ker...@arm.linux.org.uk>
---
 drivers/gpu/drm/armada/armada_crtc.c |  125 +++++++++++-----------------------
 drivers/gpu/drm/armada/armada_hw.h   |    6 +-
 2 files changed, 43 insertions(+), 88 deletions(-)

diff --git a/drivers/gpu/drm/armada/armada_crtc.c 
b/drivers/gpu/drm/armada/armada_crtc.c
index b833014..3e2f9d3 100644
--- a/drivers/gpu/drm/armada/armada_crtc.c
+++ b/drivers/gpu/drm/armada/armada_crtc.c
@@ -493,7 +493,8 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc,
        dcrtc->v[1].spu_adv_reg = val << 20 | val;
 
        /* Always enable RGB hardware cursor mode */
-       dcrtc->v[1].spu_adv_reg |= ADV_HWC32ENABLE;
+       dcrtc->v[1].spu_adv_reg |= ADV_HWC32ENABLE |
+                                  ADV_HWC32ARGB | ADV_HWC32BLEND;
 
        if (interlaced) {
                /* Odd interlaced frame */
@@ -641,100 +642,46 @@ static const struct drm_crtc_helper_funcs 
armada_crtc_helper_funcs = {
 };
 
 #ifdef CONFIG_DRM_ARMADA_CURSOR
-static void armada_load_cursor_rgb(void __iomem *base, uint32_t *pix,
+static void armada_load_cursor_argb(void __iomem *base, uint32_t *pix,
        unsigned stride, unsigned width, unsigned height)
 {
-       uint32_t r, g, b, addr;
-       unsigned y, n;
+       uint32_t addr;
+       unsigned y;
 
-       for (r = g = b = addr = n = y = 0; y < height; y++) {
+       addr = SRAM_HWC32_RAM1;
+       for (y = 0; y < height; y++) {
                uint32_t *p = &pix[y * stride];
                unsigned x;
 
                for (x = 0; x < width; x++, p++) {
-                       r >>= 8;
-                       r |= 0xff000000 & (*p << 8);
-                       g >>= 8;
-                       g |= 0xff000000 & (*p << 16);
-                       b >>= 8;
-                       b |= 0xff000000 & (*p << 24);
-                       if (x == 0 || y == 0) {
-                               b |= 0xff000000;
-                               g |= 0xff000000;
-                               r &= ~0xff000000;
-                       }
-                       if (++n == 4) {
-                               writel_relaxed(r,
-                                              base + LCD_SPU_SRAM_WRDAT);
-                               writel_relaxed(addr |
-                                              SRAM_WRITE | SRAM_HWC32_RAMR,
-                                              base + LCD_SPU_SRAM_CTRL);
-                               writel_relaxed(g,
-                                              base + LCD_SPU_SRAM_WRDAT);
-                               writel_relaxed(addr |
-                                              SRAM_WRITE | SRAM_HWC32_RAMG,
-                                              base + LCD_SPU_SRAM_CTRL);
-                               writel_relaxed(b,
-                                              base + LCD_SPU_SRAM_WRDAT);
-                               writel_relaxed(addr |
-                                              SRAM_WRITE | SRAM_HWC32_RAMB,
-                                              base + LCD_SPU_SRAM_CTRL);
-                               addr += 1;
-                               if ((addr & 255) == 0)
-                                       addr += 0xf00;
-                               n = 0;
-                       }
+                       uint32_t val = *p;
+
+                       val = (val & 0xff00ff00) |
+                             (val & 0x000000ff) << 16 |
+                             (val & 0x00ff0000) >> 16;
+
+                       writel_relaxed(val,
+                                      base + LCD_SPU_SRAM_WRDAT);
+                       writel_relaxed(addr | SRAM_WRITE,
+                                      base + LCD_SPU_SRAM_CTRL);
+                       addr += 1;
+                       if ((addr & 0x00ff) == 0)
+                               addr += 0xf00;
+                       if ((addr & 0x30ff) == 0)
+                               addr = SRAM_HWC32_RAM2;
                }
        }
-       if (n) {
-               r >>= 8 * (4 - n);
-               g >>= 8 * (4 - n);
-               b >>= 8 * (4 - n);
-               writel_relaxed(r, base + LCD_SPU_SRAM_WRDAT);
-               writel_relaxed(addr | SRAM_WRITE | SRAM_HWC32_RAMR,
-                              base + LCD_SPU_SRAM_CTRL);
-               writel_relaxed(g, base + LCD_SPU_SRAM_WRDAT);
-               writel_relaxed(addr | SRAM_WRITE | SRAM_HWC32_RAMG,
-                              base + LCD_SPU_SRAM_CTRL);
-               writel_relaxed(b, base + LCD_SPU_SRAM_WRDAT);
-               writel_relaxed(addr | SRAM_WRITE | SRAM_HWC32_RAMB,
-                              base + LCD_SPU_SRAM_CTRL);
-       }
 }
 
-static void armada_load_cursor_alpha(void __iomem *base, uint32_t *pix,
-       unsigned stride, unsigned width, unsigned height)
+static void armada_drm_crtc_cursor_tran(void __iomem *base)
 {
-       uint32_t data, addr, ram_cmd = SRAM_WRITE | SRAM_HWC32_TRAN;
-       unsigned y, n;
+       unsigned addr;
 
-       for (data = addr = n = y = 0; y < height; y++) {
-               uint32_t *p = &pix[y * stride];
-               unsigned x;
-
-               for (x = 0; x < width; x++, p++) {
-                       data >>= 2;
-                       if (*p >= 0x80000000)
-                               data |= 0x40000000;
-                       if (x == 0 || y == 0)
-                               data |= 0x40000000;
-                       if (++n == 16) {
-                               writel_relaxed(data,
-                                              base + LCD_SPU_SRAM_WRDAT);
-                               writel_relaxed(addr |
-                                              SRAM_WRITE | SRAM_HWC32_TRAN,
-                                              base + LCD_SPU_SRAM_CTRL);
-                               addr += 1;
-                               if ((addr & 255) == 0)
-                                       addr += 0xf00;
-                               n = 0;
-                       }
-               }
-       }
-       if (n) {
-               data >>= 2 * (16 - n);
-               writel_relaxed(data, base + LCD_SPU_SRAM_WRDAT);
-               writel_relaxed(addr | ram_cmd, base + LCD_SPU_SRAM_CTRL);
+       for (addr = 0; addr < 256; addr++) {
+               /* write the default value */
+               writel_relaxed(0x55555555, base + LCD_SPU_SRAM_WRDAT);
+               writel_relaxed(addr | SRAM_WRITE | SRAM_HWC32_TRAN,
+                              base + LCD_SPU_SRAM_CTRL);
        }
 }
 
@@ -742,6 +689,7 @@ static int armada_drm_crtc_cursor_update(struct armada_crtc 
*dcrtc, bool reload)
 {
        uint32_t xoff, xscr, w = dcrtc->cursor_w, s;
        uint32_t yoff, yscr, h = dcrtc->cursor_h;
+       uint32_t para1;
 
        /*
         * Calculate the visible width and height of the cursor,
@@ -790,9 +738,14 @@ static int armada_drm_crtc_cursor_update(struct 
armada_crtc *dcrtc, bool reload)
                return 0;
        }
 
+       para1 = readl_relaxed(dcrtc->base + LCD_SPU_SRAM_PARA1);
        armada_updatel(CFG_CSB_256x32, CFG_PDWN256x32,
                     dcrtc->base + LCD_SPU_SRAM_PARA1);
 
+       /* Initialize the transparency if the SRAM was powered down */
+       if (!(para1 & CFG_CSB_256x32))
+               armada_drm_crtc_cursor_tran(dcrtc->base);
+
        if (dcrtc->cursor_hw_sz != (h << 16 | w) || reload) {
                struct armada_gem_object *obj = dcrtc->cursor_obj;
                uint32_t *pix;
@@ -806,8 +759,7 @@ static int armada_drm_crtc_cursor_update(struct armada_crtc 
*dcrtc, bool reload)
                /* Set the top-left corner of the cursor image */
                pix = obj->addr;
                pix += yoff * s + xoff;
-               armada_load_cursor_rgb(dcrtc->base, pix, s, w, h);
-               armada_load_cursor_alpha(dcrtc->base, pix, s, w, h);
+               armada_load_cursor_argb(dcrtc->base, pix, s, w, h);
        }
 
        /* Reload the cursor position, size and enable in the IRQ handler */
@@ -835,8 +787,8 @@ static int armada_drm_crtc_cursor_set(struct drm_crtc *crtc,
        int ret;
 
        if (handle && w > 0 && h > 0) {
-               /* maximum size is 64x64 */
-               if (w > 64 || h > 64)
+               /* maximum size is 64x32 or 32x64 */
+               if (w > 64 || h > 64 || (w > 32 && h > 32))
                        return -ENOMEM;
 
                obj = armada_gem_object_lookup(dev, file, handle);
@@ -1023,6 +975,7 @@ int armada_drm_crtc_create(struct drm_device *dev, 
unsigned num,
        writel_relaxed(0x0000e000, dcrtc->base + LCD_SPU_SRAM_PARA1);
        writel_relaxed(0x2032ff81, dcrtc->base + LCD_SPU_DMA_CTRL1);
        writel_relaxed(0x00000000, dcrtc->base + LCD_SPU_GRA_OVSA_HPXL_VLN);
+       writel_relaxed(CFG_PDWN256x32, dcrtc->base + LCD_SPU_SRAM_PARA1);
 
        /* Lower the watermark so to eliminate jitter at higher bandwidths */
        armada_updatel(0x20, (1 << 11) | 0xff, dcrtc->base + LCD_CFG_RDREG4F);
diff --git a/drivers/gpu/drm/armada/armada_hw.h 
b/drivers/gpu/drm/armada/armada_hw.h
index 58d2a20..0c2937b 100644
--- a/drivers/gpu/drm/armada/armada_hw.h
+++ b/drivers/gpu/drm/armada/armada_hw.h
@@ -171,8 +171,10 @@ enum {
        SRAM_READ       = 0 << 14,
        SRAM_WRITE      = 2 << 14,
        SRAM_INIT       = 3 << 14,
-       SRAM_HWC32_RAMR = 0xc << 8,
-       SRAM_HWC32_RAMG = 0xd << 8,
+       SRAM_HWC32_RAM1 = 0xc << 8,
+       SRAM_HWC32_RAM2 = 0xd << 8,
+       SRAM_HWC32_RAMR = SRAM_HWC32_RAM1,
+       SRAM_HWC32_RAMG = SRAM_HWC32_RAM2,
        SRAM_HWC32_RAMB = 0xe << 8,
        SRAM_HWC32_TRAN = 0xf << 8,
        SRAM_HWC        = 0xf << 8,
-- 
1.7.4.4

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/dri-devel

Reply via email to