[PATCH] modesetting: query cursor size from the kernel (original) (raw)

Alex Deucher alexdeucher at gmail.com
Wed Feb 12 10:28:53 PST 2014

Use new drm caps. This allows hw cursors to work correctly on gpus with non-64x64 cursors.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>

src/driver.c | 21 ++++++++++++++++++++- src/driver.h | 1 + src/drmmode_display.c | 20 +++++++++++++++----- 3 files changed, 36 insertions(+), 6 deletions(-)

diff --git a/src/driver.c b/src/driver.c index b84624e..b28622a 100644 --- a/src/driver.c +++ b/src/driver.c @@ -566,6 +566,14 @@ FreeRec(ScrnInfoPtr pScrn) } +#ifndef DRM_CAP_CURSOR_WIDTH +#define DRM_CAP_CURSOR_WIDTH 0x8 +#endif + +#ifndef DRM_CAP_CURSOR_HEIGHT +#define DRM_CAP_CURSOR_HEIGHT 0x9 +#endif + static Bool PreInit(ScrnInfoPtr pScrn, int flags) { @@ -706,6 +714,17 @@ PreInit(ScrnInfoPtr pScrn, int flags) prefer_shadow = !!value; } + ms->cursor_width = 64; + ms->cursor_height = 64; + ret = drmGetCap(ms->fd, DRM_CAP_CURSOR_WIDTH, &value); + if (!ret) { + ms->cursor_width = value; + } + ret = drmGetCap(ms->fd, DRM_CAP_CURSOR_HEIGHT, &value); + if (!ret) { + ms->cursor_height = value; + } + ms->drmmode.shadow_enable = xf86ReturnOptValBool(ms->Options, OPTION_SHADOW_FB, prefer_shadow); xf86DrvMsg(pScrn->scrnIndex, X_INFO, "ShadowFB: preferred %s, enabled %s\n", prefer_shadow ? "YES" : "NO", ms->drmmode.shadow_enable ? "YES" : "NO"); @@ -933,7 +952,7 @@ ScreenInit(SCREEN_INIT_ARGS_DECL) /* Need to extend HWcursor support to handle mask interleave */ if (!ms->drmmode.sw_cursor) - xf86_cursors_init(pScreen, 64, 64, + xf86_cursors_init(pScreen, ms->cursor_width, ms->cursor_height, HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64 | HARDWARE_CURSOR_ARGB); diff --git a/src/driver.h b/src/driver.h index 79561c8..e84d748 100644 --- a/src/driver.h +++ b/src/driver.h @@ -76,6 +76,7 @@ typedef struct _modesettingRec DamagePtr damage; Bool dirty_enabled; + uint32_t cursor_width, cursor_height; } modesettingRec, *modesettingPtr; #define modesettingPTR(p) ((modesettingPtr)((p)->driverPrivate)) diff --git a/src/drmmode_display.c b/src/drmmode_display.c index 25641ce..ccfd75f 100644 --- a/src/drmmode_display.c +++ b/src/drmmode_display.c @@ -52,6 +52,8 @@ #endif #include "compat-api.h" +#include "driver.h" + static struct dumb_bo *dumb_bo_create(int fd, const unsigned width, const unsigned height, const unsigned bpp) @@ -445,6 +447,7 @@ drmmode_set_cursor_position (xf86CrtcPtr crtc, int x, int y) static void drmmode_load_cursor_argb (xf86CrtcPtr crtc, CARD32 *image) { + modesettingPtr ms = modesettingPTR(crtc->scrn); drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private; int i; uint32_t *ptr; @@ -453,10 +456,11 @@ drmmode_load_cursor_argb (xf86CrtcPtr crtc, CARD32 image) / cursor should be mapped already */ ptr = (uint32_t *)(drmmode_crtc->cursor_bo->ptr); - for (i = 0; i < 64 * 64; i++) + for (i = 0; i < ms->cursor_width * ms->cursor_height; i++) ptr[i] = image[i];// cpu_to_le32(image[i]); - ret = drmModeSetCursor(drmmode_crtc->drmmode->fd, drmmode_crtc->mode_crtc->crtc_id, handle, 64, 64); + ret = drmModeSetCursor(drmmode_crtc->drmmode->fd, drmmode_crtc->mode_crtc->crtc_id, handle, + ms->cursor_width, ms->cursor_height); if (ret) { xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(crtc->scrn); xf86CursorInfoPtr cursor_info = xf86_config->cursor_info; @@ -471,21 +475,25 @@ drmmode_load_cursor_argb (xf86CrtcPtr crtc, CARD32 image) static void drmmode_hide_cursor (xf86CrtcPtr crtc) { + modesettingPtr ms = modesettingPTR(crtc->scrn); drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private; drmmode_ptr drmmode = drmmode_crtc->drmmode; - drmModeSetCursor(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id, 0, 64, 64); + drmModeSetCursor(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id, 0, + ms->cursor_width, ms->cursor_height); } static void drmmode_show_cursor (xf86CrtcPtr crtc) { + modesettingPtr ms = modesettingPTR(crtc->scrn); drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private; drmmode_ptr drmmode = drmmode_crtc->drmmode; uint32_t handle = drmmode_crtc->cursor_bo->handle; - drmModeSetCursor(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id, handle, 64, 64); + drmModeSetCursor(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id, handle, + ms->cursor_width, ms->cursor_height); } static void @@ -1485,6 +1493,7 @@ void drmmode_uevent_fini(ScrnInfoPtr scrn, drmmode_ptr drmmode) / create front and cursor BOs */ Bool drmmode_create_initial_bos(ScrnInfoPtr pScrn, drmmode_ptr drmmode) { + modesettingPtr ms = modesettingPTR(pScrn); xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); int width; int height; @@ -1500,7 +1509,8 @@ Bool drmmode_create_initial_bos(ScrnInfoPtr pScrn, drmmode_ptr drmmode) return FALSE; pScrn->displayWidth = drmmode->front_bo->pitch / cpp; - width = height = 64; + width = ms->cursor_width; + height = ms->cursor_height; bpp = 32; for (i = 0; i < xf86_config->num_crtc; i++) { xf86CrtcPtr crtc = xf86_config->crtc[i];

1.8.3.1

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