diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2015-12-08 18:47:21 +0300 |
|---|---|---|
| committer | Vincent Abriou <vincent.abriou@st.com> | 2016-03-03 11:17:17 +0300 |
| commit | 52807ae90e76b69fd01688d6031190271536d29f (patch) | |
| tree | 6c0f5fd554797a733db7f530e7c2a1521cc9fad8 /drivers/gpu/drm/sti | |
| parent | ffd157ce6e5dd5d29e610f630da56a1e22480dae (diff) | |
| download | linux-52807ae90e76b69fd01688d6031190271536d29f.tar.xz | |
drm/sti: use u32 to store DMA addresses
The STi drm driver correctly warns about invalid format strings
when built with 64-bit dma_addr_t:
sti_hqvdp.c: In function 'sti_hqvdp_vtg_cb':
sti_hqvdp.c:605:119: warning: format '%x' expects argument of type
'unsigned int', but argument 5 has type 'dma_addr_t {aka long long
unsigned int}' [-Wformat=]
sti_hqvdp.c: In function 'sti_hqvdp_atomic_update':
sti_hqvdp.c:931:118: warning: format '%x' expects argument of type
'unsigned int', but argument 5 has type 'dma_addr_t {aka long long
unsigned int}' [-Wformat=]
This could be changed to using the %pad format string, but that
does not work when printing an rvalue, so instead I'm changing
the type in the sti_hqvdp structure to u32, which is what gets
written into the registers anyway.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Vincent Abriou <vincent.abriou@st.com>
Diffstat (limited to 'drivers/gpu/drm/sti')
| -rw-r--r-- | drivers/gpu/drm/sti/sti_hqvdp.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c index e9c33fbbfa8d..d7c1f427811d 100644 --- a/drivers/gpu/drm/sti/sti_hqvdp.c +++ b/drivers/gpu/drm/sti/sti_hqvdp.c @@ -342,7 +342,7 @@ struct sti_hqvdp { struct notifier_block vtg_nb; bool btm_field_pending; void *hqvdp_cmd; - dma_addr_t hqvdp_cmd_paddr; + u32 hqvdp_cmd_paddr; struct sti_vtg *vtg; bool xp70_initialized; }; @@ -365,8 +365,8 @@ static const uint32_t hqvdp_supported_formats[] = { */ static int sti_hqvdp_get_free_cmd(struct sti_hqvdp *hqvdp) { - int curr_cmd, next_cmd; - dma_addr_t cmd = hqvdp->hqvdp_cmd_paddr; + u32 curr_cmd, next_cmd; + u32 cmd = hqvdp->hqvdp_cmd_paddr; int i; curr_cmd = readl(hqvdp->regs + HQVDP_MBX_CURRENT_CMD); @@ -393,8 +393,8 @@ static int sti_hqvdp_get_free_cmd(struct sti_hqvdp *hqvdp) */ static int sti_hqvdp_get_curr_cmd(struct sti_hqvdp *hqvdp) { - int curr_cmd; - dma_addr_t cmd = hqvdp->hqvdp_cmd_paddr; + u32 curr_cmd; + u32 cmd = hqvdp->hqvdp_cmd_paddr; unsigned int i; curr_cmd = readl(hqvdp->regs + HQVDP_MBX_CURRENT_CMD); @@ -846,19 +846,21 @@ int sti_hqvdp_vtg_cb(struct notifier_block *nb, unsigned long evt, void *data) static void sti_hqvdp_init(struct sti_hqvdp *hqvdp) { int size; + dma_addr_t dma_addr; hqvdp->vtg_nb.notifier_call = sti_hqvdp_vtg_cb; /* Allocate memory for the VDP commands */ size = NB_VDP_CMD * sizeof(struct sti_hqvdp_cmd); hqvdp->hqvdp_cmd = dma_alloc_writecombine(hqvdp->dev, size, - &hqvdp->hqvdp_cmd_paddr, + &dma_addr, GFP_KERNEL | GFP_DMA); if (!hqvdp->hqvdp_cmd) { DRM_ERROR("Failed to allocate memory for VDP cmd\n"); return; } + hqvdp->hqvdp_cmd_paddr = (u32)dma_addr; memset(hqvdp->hqvdp_cmd, 0, size); } |