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i965/chv: Display proper branding

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"Braswell" is a Cherryview based *thing*. It unfortunately requires extra
information to determine its marketing name. Unlike all previous products, and
hopefully all future ones, there is no unique 1:1 mapping of PCI device ID to
brand string.

I put up a fight about adding any complexity to our GL renderer string code for
a very long time. However, a wise man made a comment to me that I couldn't argue
with: if a user installs Windows on their hardware, the brand string should be
the same as what we display in Linux. The Windows driver apparently does this
check, so we should too.

Note that I did manage to find a good use for this info anyway in the compute
shader thread counts.

v2: memcpy instead of strncpy, and some minor changes (Matt)

Signed-off-by: Ben Widawsky <benjamin.widawsky@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com
This commit is contained in:
Ben Widawsky 2016-02-08 12:42:29 -08:00
parent 5e6a43a001
commit d1ab544bb8
4 changed files with 33 additions and 7 deletions
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4
include/pci_ids/i965_pci_ids.h
View file

@ -156,8 +156,8 @@ CHIPSET(0x5932, kbl_gt4, "Intel(R) Kabylake GT4")
CHIPSET(0x593A, kbl_gt4, "Intel(R) Kabylake GT4")
CHIPSET(0x593B, kbl_gt4, "Intel(R) Kabylake GT4")
CHIPSET(0x593D, kbl_gt4, "Intel(R) Kabylake GT4")
CHIPSET(0x22B0, chv, "Intel(R) HD Graphics (Cherryview)")
CHIPSET(0x22B1, chv, "Intel(R) HD Graphics (Cherryview)")
CHIPSET(0x22B0, chv, "Intel(R) HD Graphics (Cherrytrail)")
CHIPSET(0x22B1, chv, "Intel(R) HD Graphics XXX (Braswell)") /* Overridden in brw_get_renderer_string */
CHIPSET(0x22B2, chv, "Intel(R) HD Graphics (Cherryview)")
CHIPSET(0x22B3, chv, "Intel(R) HD Graphics (Cherryview)")
CHIPSET(0x0A84, bxt, "Intel(R) HD Graphics (Broxton)")

31
src/mesa/drivers/dri/i965/brw_context.c
View file

@ -77,13 +77,27 @@
const char *const brw_vendor_string = "Intel Open Source Technology Center";
static const char *
get_bsw_model(const struct intel_screen *intelScreen)
{
switch (intelScreen->eu_total) {
case 16:
return "405";
case 12:
return "400";
default:
return " ";
}
}
const char *
brw_get_renderer_string(unsigned deviceID)
brw_get_renderer_string(const struct intel_screen *intelScreen)
{
const char *chipset;
static char buffer[128];
char *bsw = NULL;
switch (deviceID) {
switch (intelScreen->deviceID) {
#undef CHIPSET
#define CHIPSET(id, symbol, str) case id: chipset = str; break;
#include "pci_ids/i965_pci_ids.h"
@ -92,7 +106,18 @@ brw_get_renderer_string(unsigned deviceID)
break;
}
/* Braswell branding is funny, so we have to fix it up here */
if (intelScreen->deviceID == 0x22B1) {
bsw = strdup(chipset);
char *needle = strstr(bsw, "XXX");
if (needle) {
memcpy(needle, get_bsw_model(intelScreen), 3);
chipset = bsw;
}
}
(void) driGetRendererString(buffer, chipset, 0);
free(bsw);
return buffer;
}
@ -107,7 +132,7 @@ intel_get_string(struct gl_context * ctx, GLenum name)
case GL_RENDERER:
return
(GLubyte *) brw_get_renderer_string(brw->intelScreen->deviceID);
(GLubyte *) brw_get_renderer_string(brw->intelScreen);
default:
return NULL;

3
src/mesa/drivers/dri/i965/brw_context.h
View file

@ -1341,7 +1341,8 @@ extern void intelInitClearFuncs(struct dd_function_table *functions);
*/
extern const char *const brw_vendor_string;
extern const char *brw_get_renderer_string(unsigned deviceID);
extern const char *
brw_get_renderer_string(const struct intel_screen *intelScreen);
enum {
DRI_CONF_BO_REUSE_DISABLED,

2
src/mesa/drivers/dri/i965/intel_screen.c
View file

@ -891,7 +891,7 @@ brw_query_renderer_string(__DRIscreen *psp, int param, const char **value)
value[0] = brw_vendor_string;
return 0;
case __DRI2_RENDERER_DEVICE_ID:
value[0] = brw_get_renderer_string(intelScreen->deviceID);
value[0] = brw_get_renderer_string(intelScreen);
return 0;
default:
break;