[PATCH] [xf86-video-qxl] In XSpice mode, enable the ability to specify the various ram buffer sizes.

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Also adjust the mode selection to fit, and add a few larger modes.

Signed-off-by: Jeremy White <jwhite@xxxxxxxxxxxxxxx>
---
 examples/spiceqxl.xorg.conf.example |   13 +++++++++++++
 src/qxl.h                           |    3 +++
 src/qxl_driver.c                    |   19 +++++++++++++++----
 src/spiceqxl_driver.c               |   33 +++++++++++++++------------------
 src/spiceqxl_driver.h               |    7 +++----
 5 files changed, 49 insertions(+), 26 deletions(-)

diff --git a/examples/spiceqxl.xorg.conf.example b/examples/spiceqxl.xorg.conf.example
index be8a16b..8fd5d2f 100644
--- a/examples/spiceqxl.xorg.conf.example
+++ b/examples/spiceqxl.xorg.conf.example
@@ -96,6 +96,19 @@ Section "Device"
     # defaults to 4
     #Option "NumHeads" "4"
 
+    # The amount of frame buffer ram, in megabytes, to allocate
+    # defaults to 16
+    #Option "FrameBufferSize" "16"
+
+    # The amount of surface buffer ram, in megabytes, to allocate
+    # Must be larger than FrameBufferSize
+    # defaults to 128
+    #Option "SurfaceBufferSize" "128"
+
+    # The amount of command buffer ram, in megabytes, to allocate
+    # defaults to 128
+    #Option "CommandBufferSize" "128"
+
     # Set Spice Agent Mouse
     # defaults to false
     #Option "SpiceAgentMouse" "False"
diff --git a/src/qxl.h b/src/qxl.h
index 19555ba..fa9b13f 100644
--- a/src/qxl.h
+++ b/src/qxl.h
@@ -154,6 +154,9 @@ enum {
     OPTION_SPICE_VDAGENT_UINPUT_PATH,
     OPTION_SPICE_VDAGENT_UID,
     OPTION_SPICE_VDAGENT_GID,
+    OPTION_FRAME_BUFFER_SIZE,
+    OPTION_SURFACE_BUFFER_SIZE,
+    OPTION_COMMAND_BUFFER_SIZE,
 #endif
     OPTION_COUNT,
 };
diff --git a/src/qxl_driver.c b/src/qxl_driver.c
index d9bf447..87cdca4 100644
--- a/src/qxl_driver.c
+++ b/src/qxl_driver.c
@@ -146,6 +146,12 @@ const OptionInfoRec DefaultOptions[] =
       "SpiceVdagentUid",          OPTV_INTEGER,    {0}, FALSE},
     { OPTION_SPICE_VDAGENT_GID,
       "SpiceVdagentGid",          OPTV_INTEGER,    {0}, FALSE},
+    { OPTION_FRAME_BUFFER_SIZE,
+      "FrameBufferSize",          OPTV_INTEGER,    {DEFAULT_FRAME_BUFFER_SIZE}, FALSE},
+    { OPTION_SURFACE_BUFFER_SIZE,
+      "SurfaceBufferSize",        OPTV_INTEGER,    {DEFAULT_SURFACE_BUFFER_SIZE}, FALSE},
+    { OPTION_COMMAND_BUFFER_SIZE,
+      "CommandBufferSize",        OPTV_INTEGER,    {DEFAULT_COMMAND_BUFFER_SIZE}, FALSE},
 #endif
     
     { -1, NULL, OPTV_NONE, {0}, FALSE }
@@ -190,11 +196,9 @@ unmap_memory_helper (qxl_screen_t *qxl)
 static void
 map_memory_helper (qxl_screen_t *qxl)
 {
-    qxl->ram = calloc (RAM_SIZE, 1);
-    qxl->ram_size = RAM_SIZE;
+    qxl->ram = calloc (qxl->ram_size, 1);
     qxl->ram_physical = qxl->ram;
-    qxl->vram = calloc (VRAM_SIZE, 1);
-    qxl->vram_size = VRAM_SIZE;
+    qxl->vram = calloc (qxl->vram_size, 1);
     qxl->vram_physical = qxl->vram;
     qxl->rom = calloc (ROM_SIZE, 1);
     
@@ -1081,6 +1085,13 @@ qxl_pre_init (ScrnInfoPtr pScrn, int flags)
         strncpy(qxl->playback_fifo_dir, playback_fifo_dir, sizeof(qxl->playback_fifo_dir));
     else
         qxl->playback_fifo_dir[0] = '\0';
+
+    qxl->surface0_size =
+        get_int_option (qxl->options, OPTION_FRAME_BUFFER_SIZE, "QXL_FRAME_BUFFER_SIZE") << 20L;
+    qxl->vram_size =
+        get_int_option (qxl->options, OPTION_SURFACE_BUFFER_SIZE, "QXL_SURFACE_BUFFER_SIZE") << 20L;
+    qxl->ram_size =
+        get_int_option (qxl->options, OPTION_COMMAND_BUFFER_SIZE, "QXL_COMMAND_BUFFER_SIZE") << 20L;
 #endif
 
     if (!qxl_map_memory (qxl, scrnIndex))
diff --git a/src/spiceqxl_driver.c b/src/spiceqxl_driver.c
index 990467f..1561562 100644
--- a/src/spiceqxl_driver.c
+++ b/src/spiceqxl_driver.c
@@ -83,20 +83,18 @@ static QXLMode qxl_modes[] = {
     QXL_MODE_EX(1600, 1200),
     QXL_MODE_EX(1680, 1050),
     QXL_MODE_EX(1920, 1080),
-#if VGA_RAM_SIZE >= (16 * 1024 * 1024)
-    /* these modes need more than 8 MB video memory */
     QXL_MODE_EX(1920, 1200),
     QXL_MODE_EX(1920, 1440),
     QXL_MODE_EX(2048, 1536),
     QXL_MODE_EX(2560, 1440),
     QXL_MODE_EX(2560, 1600),
-#endif
-#if VGA_RAM_SIZE >= (32 * 1024 * 1024)
-    /* these modes need more than 16 MB video memory */
+    QXL_MODE_EX(3840, 1080),
     QXL_MODE_EX(2560, 2048),
     QXL_MODE_EX(2800, 2100),
     QXL_MODE_EX(3200, 2400),
-#endif
+    QXL_MODE_EX(5760, 1080),
+    QXL_MODE_EX(7680, 1080),
+
 };
 
 
@@ -106,9 +104,8 @@ void init_qxl_rom(qxl_screen_t* qxl, uint32_t rom_size)
     QXLRom *rom = qxl->rom;
     struct QXLModes *modes = (struct QXLModes *)(rom + 1);
     uint32_t ram_header_size;
-    uint32_t surface0_area_size;
     uint32_t num_pages;
-    uint32_t fb, maxfb = 0;
+    uint32_t fb;
     int i;
 
     memset(rom, 0, rom_size);
@@ -127,9 +124,12 @@ void init_qxl_rom(qxl_screen_t* qxl, uint32_t rom_size)
     modes->n_modes     = (SPICE_ARRAY_SIZE(qxl_modes));
     for (i = 0; i < modes->n_modes; i++) {
         fb = qxl_modes[i].y_res * qxl_modes[i].stride;
-        if (maxfb < fb) {
-            maxfb = fb;
+        if (fb > qxl->surface0_size)
+        {
+            modes->n_modes--; i--;
+            continue;
         }
+
         modes->modes[i].id          = (i);
         modes->modes[i].x_res       = (qxl_modes[i].x_res);
         modes->modes[i].y_res       = (qxl_modes[i].y_res);
@@ -139,21 +139,18 @@ void init_qxl_rom(qxl_screen_t* qxl, uint32_t rom_size)
         modes->modes[i].y_mili      = (qxl_modes[i].y_mili);
         modes->modes[i].orientation = (qxl_modes[i].orientation);
     }
-    if (maxfb < VGA_RAM_SIZE) // TODO - id != 0? (in original code from qxl.c)
-        maxfb = VGA_RAM_SIZE;
 
     ram_header_size    = ALIGN(sizeof(struct QXLRam), 4096);
-    surface0_area_size = ALIGN(maxfb, 4096);
-    num_pages          = VRAM_SIZE;
+    num_pages          = qxl->vram_size;
     num_pages         -= ram_header_size;
-    num_pages         -= surface0_area_size;
+    num_pages         -= qxl->surface0_size;
     num_pages          = num_pages / TARGET_PAGE_SIZE;
 
     rom->draw_area_offset   = (0);
-    rom->surface0_area_size = (surface0_area_size);
-    rom->pages_offset       = (surface0_area_size);
+    rom->surface0_area_size = (qxl->surface0_size);
+    rom->pages_offset       = (rom->surface0_area_size);
     rom->num_pages          = (num_pages);
-    rom->ram_header_offset  = (VRAM_SIZE - ram_header_size);
+    rom->ram_header_offset  = (qxl->vram_size - ram_header_size);
 
     qxl->shadow_rom = *qxl->rom;         // TODO - do we need this?
 }
diff --git a/src/spiceqxl_driver.h b/src/spiceqxl_driver.h
index c1a7c48..35d0f42 100644
--- a/src/spiceqxl_driver.h
+++ b/src/spiceqxl_driver.h
@@ -23,10 +23,9 @@
 #ifndef SPICEQXL_DRIVER_H
 #define SPICEQXL_DRIVER_H 1
 
-#define VGA_RAM_SIZE (16 * 1024 * 1024)
-
-#define RAM_SIZE (128L<<20) // must be >VGA_RAM_SIZE
-#define VRAM_SIZE (128L<<20)
+#define DEFAULT_FRAME_BUFFER_SIZE   16
+#define DEFAULT_SURFACE_BUFFER_SIZE 128
+#define DEFAULT_COMMAND_BUFFER_SIZE 128
 #define ROM_SIZE (1<<20) // TODO - put correct size
 
 void init_qxl_rom(qxl_screen_t* qxl, uint32_t rom_size);
-- 
1.7.10.4

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